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• Writing my own implementation of stl-like Iterator in C++.

  - by Negai

  Good evening everybody, I'm currently trying to understand the intrinsics of iterators in various languages i.e. the way they are implemented. For example, there is the following class exposing the list interface. template<class T> class List { public: virtual void Insert( int beforeIndex, const T item ) throw( ListException ) =0 ; virtual void Append( const T item ) =0; virtual T Get( int position ) const throw( ListException ) =0; virtual int GetLength() const =0; virtual void Remove( int position ) throw( ListException ) =0; virtual ~List() =0 {}; }; According to GoF, the best way to implement an iterator that can support different kinds of traversal is to create the base Iterator class (friend of List) with protected methods that can access List's members. The concrete implementations of Iterator will handle the job in different ways and access List's private and protected data through the base interface. From here forth things are getting confusing. Say, I have class LinkedList and ArrayList, both derived from List, and there are also corresponding iterators, each of the classes returns. How can I implement LinkedListIterator? I'm absolutely out of ideas. And what kind of data can the base iterator class retrieve from the List (which is a mere interface, while the implementations of all the derived classes differ significantly) ? Sorry for so much clutter. Thanks.

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• How should I map an abstract class with simple xml in Java?

  - by spderosso

  Hi, I want to achieve the following xml using simple xml framework (http://simple.sourceforge.net/): <events> <course-added date="01/01/2010"> ... </course-added> <course-removed date="01/02/2010"> .... </course-removed> <student-enrolled date="01/02/2010"> ... </student-enrolled> </events> I have the following (but it doesn't achieve the desired xml): @Root(name="events") class XMLEvents { @ElementList(inline=true) ArrayList<XMLEvent> events = Lists.newArrayList(); ... } abstract class XMLEvent { @Attribute(name="date") String dateOfEventFormatted; ... } And different type of XMLNodes that have different information (but are all different types of events) @Root(name="course-added") class XMLCourseAdded extends XMLEvent{ @Element(name="course") XMLCourseLongFormat course; .... } @Root(name="course-removed") class XMLCourseRemoved extends XMLEvent { @Element(name="course-id") String courseId; ... } How should I do the mapping or what should I change in order to be able to achieve de desired xml? Thanks!

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• Working with Java using methods and arrays [closed]

  - by jordan

  Hi i'm a newb at java and for one of my labs I have to create a instant messenger client with these requirements: add buddyList instance variable add IMClient constructor to create ArrayList addBuddy method removeBuddy method findBuddy method printBuddyList method what's the best way to go about this? so far I have this: public class IMClient { private String userId; // User id private String password; // Password private int status; // Status code for user: 1 - Online, 2 - Off-line, 3 - Away public IMClient(String userId, String password, int status) { super(); this.userId = userId; this.password = password; this.status = status; } // Returns true if password as a parameter matches password instance variable. public boolean checkPassword(String password) { return this.password.equals(password); } public String toString() { StringBuffer buf = new StringBuffer(100); buf.append(" User id: "); buf.append(userId); buf.append(" Password: "); buf.append(password); buf.append(" Status: "); buf.append(status); return buf.toString(); } public String getUserId() { return userId; } public void setUserId(String userId) { this.userId = userId; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public int getStatus() { return status; } public void setStatus(int status) { this.status = status; } public static void main(String[] args) { } }

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• Write to PDF using PHP from android device

  - by Brent Mitchell

  I am trying to write to a pdf file on php server. I have sent variables to the server, create the pdf document, then have my phone download the document to view on device. The variables seem not to write on the php file. I have my code below public void postData() { try { Calculate calc = new Calculate(); HttpClient mClient = new DefaultHttpClient(); StringBuilder sb=new StringBuilder("myurl.com/pdf.php"); HttpPost mpost = new HttpPost(sb.toString()); String value = "1234"; List nameValuepairs = new ArrayList(1); nameValuepairs.add(new BasicNameValuePair("id",value)); mpost.setEntity(new UrlEncodedFormEntity(nameValuepairs)); } catch (UnsupportedEncodingException e) { Log.w(" error ", e.toString()); } catch (Exception e) { Log.w(" error ", e.toString()); } } And my php code to write the variable "value" onto the pdf document: //code to reverse the string if($_POST[] != null) { $reversed = strrev($_POST["value"]); $this->SetFont('Arial','u',50); $this->Text(52,68,$reversed); } I am just trying to write the variable in a random spot, but the variable the if statement is always null and I do not know why. Thanks. Sorry if it is a little sloppy.

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• Better way to catch trouble points

  - by mac

  User submits a CSV file which is consumed by a program. Values which are used throughout the program come from the CSV, natually if values are missed it is a problem. Below is my solution. Ip on top private List<String> currentFieldName = new ArrayList<String>(); As part of the method: try { setCurrentFieldName("Trim Space"); p.setTrimSpace(currentLineArray[dc.getTRIM_POSITION()].equals("yes") ? true : false); setCurrentFieldName("Ignore Case"); p.setIgnoreCase(currentLineArray[dc.getIGNORE_CASE_POSITION()].equals("yes") ? true : false); } catch (NullPointerException e) { throw new InputSpreadsheetValueUnassignedException("\"Type\" field not set: " + currentFieldName); } And the method which keeps track of a current field being looked at: private void setCurrentFieldName(String fieldName) { currentFieldName.clear(); currentFieldName.add(fieldName); } The idea there is that if user fails to submit value and i will end up getting null, before throwing an exception, i will know what value was not assigned. So, this being said, specific questions: Is what i have shown below an acceptable solution? Can you suggest something more elegant?

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• Android ProgressDialog inside another dialog

  - by La bla bla

  I'm working on a game using AndEngine, and I need to show the users the list of his Facebook friends. I've created my custom Adatper and after the loading finishes everything works great. I have a problem with the loading it self. The ListView is inside a custom dialog, since I don't really know how to create one using AndEngine, So inside this dialog, I'm running an AsyncTask to fetch the friends' info, in that AsyncTask I'm have a ProgressDialog. The problem is, the ProgressDialog shows up behind the dialog that contains the to-be list (which while loading, is just the title). I can see the ProgressDialog "peeking" behind that dialog.. Any Ideas? Here's some code: FriendsDialog.java private ProgressDialog dialog; //Constructor of the AsyncTask public FriendsLoader(Context context) { dialog = new ProgressDialog(context); dialog.setMessage("Please wait..\nLoading Friends List."); } @Override protected void onPreExecute() { dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); dialog.setView(inflater.inflate(R.layout.loading, null)); dialog.setMessage("Please wait..\nLoading friends."); dialog.show(); } @Override protected void onPostExecute(ArrayList<HashMap<String, Object>> data) { if (dialog.isShowing()) { dialog.dismiss(); } MyAdapter myAdapter = new MyAdapter(context, data); listView = (ListView) findViewById(R.id.list); listView.setAdapter(myAdapter); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> myAdapter, View myView, int myItemInt, long mylng) { String id = (String) listView.getItemAtPosition(myItemInt); listener.onUserSelected(id); dismiss(); } }); }

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• Ordering the results of a Hibernate Criteria query by using information of the child entities of the

  - by pkainulainen

  I have got two entities Person and Book. Only one instance of a specific book is stored to the system (When a book is added, application checks if that book is already found before adding a new row to the database). Relevant source code of the entities is can be found below: @Entity @Table(name="persons") @SequenceGenerator(name="id_sequence", sequenceName="hibernate_sequence") public class Person extends BaseModel { @Id @Column(name = "id") @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "id_sequence") private Long id = null; @ManyToMany(targetEntity=Book.class) @JoinTable(name="persons_books", joinColumns = @JoinColumn( name="person_id"), inverseJoinColumns = @JoinColumn( name="book_id")) private List<Book> ownedBooks = new ArrayList<Book>(); } @Entity @Table(name="books") @SequenceGenerator(name="id_sequence", sequenceName="hibernate_sequence") public class Book extends BaseModel { @Id @Column(name = "id") @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "id_sequence") private Long id = null; @Column(name="name") private String name = null; } My problem is that I want to find persons, which are owning some of the books owned by a specific persons. The returned list of persons should be ordered by using following logic: The person owning most of the same books should be at the first of the list, second person of the the list does not own as many books as the first person, but more than the third person. The code of the method performing this query is added below: @Override public List<Person> searchPersonsWithSimilarBooks(Long[] bookIds) { Criteria similarPersonCriteria = this.getSession().createCriteria(Person.class); similarPersonCriteria.add(Restrictions.in("ownedBooks.id", bookIds)); //How to set the ordering? similarPersonCriteria.addOrder(null); return similarPersonCriteria.list(); } My question is that can this be done by using Hibernate? And if so, how it can be done? I know I could implement a Comparator, but I would prefer using Hibernate to solve this problem.

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• WPF binding problem

  - by Lolo

  I've got problem with binding in XAML/WPF. I created Action class witch extends FrameworkElement. Each Action has list of ActionItem. The problem is that the Data/DataContext properties of ActionItem are not set, so they are always null. XAML: <my:Action DataContext="{Binding}"> <my:Action.Items> <my:ActionItem DataContext="{Binding}" Data="{Binding}" /> </my:Action.Items> </my:Action> C#: public class Action : FrameworkElement { public static readonly DependencyProperty ItemsProperty = DependencyProperty.Register("Items", typeof(IList), typeof(Action), new PropertyMetadata(null, null), null); public Action() { this.Items = new ArrayList(); this.DataContextChanged += (s, e) => MessageBox.Show("Action.DataContext"); } public IList Items { get { return (IList)this.GetValue(ItemsProperty); } set { this.SetValue(ItemsProperty, value); } } } public class ActionItem : FrameworkElement { public static readonly DependencyProperty DataProperty = DependencyProperty.Register("Data", typeof(object), typeof(ActionItem), new PropertyMetadata( null, null, (d, v) => { if (v != null) MessageBox.Show("ActionItem.Data is not null"); return v; } ), null ); public object Data { get { return this.GetValue(DataProperty); } set { this.SetValue(DataProperty, value); } } public ActionItem() { this.DataContextChanged += (s, e) => MessageBox.Show("ActionItem.DataContext"); } } Any ideas?

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• Efficient batch SQL query execution on Android, for upgrade database.

  - by Pentium10

  As we Android developers know, the SQLiteDatabase execSQL method can execute only one statement. The doc says: Execute a single SQL statement that is not a query. For example, CREATE TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not supported. I have to load in a batch of records, 1000 and counting. How do I insert these efficiently? And what's the easiest way to deliver these SQLs with your apk? I mention, there is already a system database and I will run this on the onUpdate event. I have this code so far: List<String[]> li = new ArrayList<String[]>(); li.add(new String[] { "-1", "Stop", "0" }); li.add(new String[] { "0", "Start", "0" }); /* the rest of the assign */ try { for (String[] elem : li) { getDb().execSQL( "INSERT INTO " + TABLENAME + " (" + _ID + "," + NAME + "," + PARSE_ORDER + ") VALUES (?,?,?)", elem); } } catch (Exception e) { e.printStackTrace(); }

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• ANDROID SAX Parser issue

  - by Chris Watson

  Since I am new to java programming, I need a bit of help with this. I stuck on this one issue and can't continue until I get this to work. I am trying to make a string from that includes a preference int. I saved the data and can display the int (just sample code): SharedPreferences prefs=PreferenceManager .getDefaultSharedPreferences(this); list.setText(prefs.getString("list", "22")); now, I have a xml parser that is pulling a url correctly as a static string: public static String feedUrl = String.format("http://www.freshpointmarketing.com/iphone/objects/XML/AND.php?ID=%d", 22); Works great... now my issue...... I need to have the preference "int" become the variable in the string, thus making it not static. static SharedPreferences prefs=PreferenceManager.getDefaultSharedPreferences(this); static int myVariable = prefs.getInt("list1", 22); public static String feedUrl = String.format("http://www.freshpointmarketing.com/iphone/objects/XML/AND.php?ID=%d", myVariable); If I take out all static references, I get an error on this: private void loadFeed(ParserType type){ try{ FeedParser parser = FeedParserFactory.getParser(type); long start = System.currentTimeMillis(); messages = parser.parse(); long duration = System.currentTimeMillis() - start; Log.i("AndroidNews", "Parser duration=" + duration); String xml = writeXml(); Log.i("AndroidNews", xml); List<String> titles = new ArrayList<String>(messages.size()); for (Message msg : messages){ titles.add(msg.getTitle()); } ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.row,titles); this.setListAdapter(adapter); } catch (Throwable t){ Log.e("AndroidNews",t.getMessage(),t); } } thanks

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• Joining tables with composite keys in a legacy system in hibernate

  - by Steve N

  Hi, I'm currently trying to create a pair of Hibernate annotated classes to load (read only) from a pair of tables in a legacy system. The legacy system uses a consistent (if somewhat dated) approach to keying tables. The tables I'm attempting to map are as follows: Customer CustomerAddress -------------------------- ---------------------------- customerNumber:string (pk) customerNumber:string (pk_1) name:string sequenceNumber:int (pk_2) street:string postalCode:string I've approached this by creating a CustomerAddress class like this: @Entity @Table(name="CustomerAddress") @IdClass(CustomerAddressKey.class) public class CustomerAddress { @Id @AttributeOverrides({ @AttributeOverride(name = "customerNumber", column = @Column(name="customerNumber")), @AttributeOverride(name = "sequenceNumber", column = @Column(name="sequenceNumber")) }) private String customerNumber; private int sequenceNumber; private String name; private String postalCode; ... } Where the CustomerAddressKey class is a simple Serializable object with the two key fields. The Customer object is then defined as: @Entity @Table(name = "Customer") public class Customer { private String customerNumber; private List<CustomerAddress> addresses = new ArrayList<CustomerAddress>(); private String name; ... } So, my question is: how do I express the OneToMany relationship on the Customer table?

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• jquery is getting the old values from database

  - by sansknwoledge

  hi in my jsp page i am a having a jquery area which pass the values to a servlet which returns an output of dropdownlist . then the jsp file do some updation so certain values which are in the dropdownlist should not be there while repopulating. but it is not happening. my jquery code is $("#cbocode").change(function(){ var cdid=$("#cbocode option:selected"); $.get("trnDC?caseNo=20&cdid="+cdid.text(),function(data){ $("#divinstrument").html(data); }) and the servlet code is case 20:{ //jquery call String cdid=(String) request.getParameter("cdid"); Statement st = con.createStatement(); ResultSet rs = st.executeQuery("select instrumentid from mstinstrument where codeid='" + cdid + "' and rec_Status='A' and statusid='U' and Agentid='METLAB'"); if (!rs.wasNull()){ //List data=new ArrayList(); String v="<select id=cboinstr>"; while (rs.next()) { // data.add(rs.getString("vend_code")); v += "<option>" + rs.getString("instrumentid").toString() + "</option>"; } v+="</select>"; response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.print(v); } else{ response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.print("no data found"); } where i am missing???

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• Do running times match with O(nlogn)?

  - by user472221

  Hi I have written a class(greedy strategy) that at first i used sort method which has O(nlogn) Collections.sort(array, new SortingObjectsWithProbabilityField()); and then i used the insert method of binary search tree which takes O(h) and h here is the tree height. for different n ,the running time will be : n,running time 17,515428 33,783340 65,540572 129,1285080 257,2052216 513,4299709 which I think is not correct because for increasing n , the running time should almost increase. This method will take the running time: Exponent = -1; for(int n = 2;n<1000;n+=Math.pow(2,exponent){ for (int j = 1; j <= 3; j++) { Random rand = new Random(); for (int i = 0; i < n; i++) { Element e = new Element(rand.nextInt(100) + 1, rand.nextInt(100) + 1, 0); for (int k = 0; k < i; k++) { if (e.getDigit() == randList.get(k).getDigit()) { e.setDigit(e.getDigit() + 1); } } randList.add(e); } double sum = 0.0; for (int i = 0; i < randList.size(); i++) { sum += randList.get(i).getProbability(); } for (Element i : randList) { i.setProbability(i.getProbability() / sum); } //Get time. long t2 = System.nanoTime(); GreedyVersion greedy = new GreedyVersion((ArrayList<Element>) randList); long t3 = System.nanoTime(); timeForGreedy = timeForGreedy + t3 - t2; } System.out.println(n + "," + "," + timeForGreedy/3 ); exponent++; } thanks

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• Why does p:panelGrid not work with ui:repeat?

  - by CycDemo

  If I use as below, I get no error, no output. Why does p:panelGrid not work with ui:repeat? Note : I don't want to use c:forEach because of the I already face a lot of JSF issue. <p:panelGrid> <ui:repeat value="#{MyBean.dataList}" var="data"> <p:row> <p:column> <h:outputText value="#{data.name}"/> </p:column> <p:column> <h:outputText value="#{data.description}"/> </p:column> </p:row> </ui:repeat> </p:panelGrid> MyBean.java public List<Data> getDataList(){ List<Data> result = new ArrayList<Data>(); result.add(new Data("Name 1", "Description 1")); result.add(new Data("Name 2", "Description 2")); result.add(new Data("Name 3", "Description 3")); result.add(new Data("Name 4", "Description 4")); return result; } Expected output with primefaces

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• Mapping many-to-many association table with extra column(s)

  - by user635524

  My database contains 3 tables: User and Service entities have many-to-many relationship and are joined with the SERVICE_USER table as follows: USERS - SERVICE_USER - SERVICES SERVICE_USER table contains additional BLOCKED column. What is the best way to perform such a mapping? These are my Entity classes @Entity @Table(name = "USERS") public class User implements java.io.Serializable { private String userid; private String email; @Id @Column(name = "USERID", unique = true, nullable = false,) public String getUserid() { return this.userid; } .... some get/set methods } @Entity @Table(name = "SERVICES") public class CmsService implements java.io.Serializable { private String serviceCode; @Id @Column(name = "SERVICE_CODE", unique = true, nullable = false, length = 100) public String getServiceCode() { return this.serviceCode; } .... some additional fields and get/set methods } I followed this example http://giannigar.wordpress.com/2009/09/04/m ... using-jpa/ Here is some test code: User user = new User(); user.setEmail("e2"); user.setUserid("ui2"); user.setPassword("p2"); CmsService service= new CmsService("cd2","name2"); List<UserService> userServiceList = new ArrayList<UserService>(); UserService userService = new UserService(); userService.setService(service); userService.setUser(user); userService.setBlocked(true); service.getUserServices().add(userService); userDAO.save(user); The problem is that hibernate persists User object and UserService one. No success with the CmsService object I tried to use EAGER fetch - no progress Is it possible to achieve the behaviour I'm expecting with the mapping provided above? Maybe there is some more elegant way of mapping many to many join table with additional column?

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• (Java) Get value of string loaded into dynamic-type object?

  - by Michael

  I'm very new to Java (~10 days), so my code is probably pretty bad, but here's what I've got: ArgsDataHolder argsData = new ArgsDataHolder(); // a class that holds two // ArrayList's where each element // representing key/value args Class thisArgClass; String thisArgString; Object thisArg; for(int i=2; i< argsString.length; i++) { thisToken = argsString[i]; thisArgClassString = getClassStringFromToken(thisToken).toLowerCase(); System.out.println("thisArgClassString: " + thisArgClassString); thisArgClass = getClassFromClassString(thisArgClassString); // find closing tag; concatenate middle Integer j = new Integer(i+1); thisArgString = getArgValue(argsString, j, "</" + thisArgClassString + ">"); thisArg = thisArgClass.newInstance(); thisArg = thisArgClass.valueOf(thisArgString); argsData.append(thisArg, thisArgClass); } The user basically has to input a set of key/value arguments into the command prompt in this format: <class>value</class>, e.g. <int>62</int>. Using this example, thisArgClass would be equal to Integer.class, thisArgString would be a string that read "62", and thisArg would be an instance of Integer that is equal to 62. I tried thisArg.valueOf(thisArgString), but I guess valueOf(<String>) is only a method of certain subclasses of Object. For whatever reason, I can't seem to be able to cast thisArg to thisArgClass (like so: thisArg = (thisArgClass)thisArgClass.newInstance();, at which point valueOf(<String>) should become accessible. There's got to be a nice, clean way of doing this, but it is beyond my abilities at this point. How can I get the value of the string loaded into a dynamically-typed object (Integer, Long, Float, Double, String, Character, Boolean, etc.)? Or am I just overthinking this, and Java will do the conversion for me? :confused:

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• How to get a specific attribute from an object list?

  - by anarhikos

  I've an array keeping a list of Group objects. I want to set this list to the DropDownChoice component. However I want to show the end user only the name attribute of Group objects, and then get the selected values' id attribute to add database. What to do? private List<Group> groupTypes; DatabaseApp db = new DatabaseApp(); groupTypes = db.getGroups(); groupDropDownChoice = new DropDownChoice("type", groupTypes); ... ... addUserForm.add(new Button("submit"){ @Override public void onSubmit(){ Group group = (Group) groupDropDownChoice.getModelObject(); ... ... db.addUser(group.getId(), den, name, login, email, password1); DatabaseApp.java public List<Group> getGroups() throws SQLException{ List<Group> groups = new ArrayList<Group>(); try { String query = "SELECT * FROM [GROUP]"; Statement statement = db.createStatement(); ResultSet result = statement.executeQuery(query); while(result.next()){ int id = result.getInt("ID"); String name = result.getString("NAME"); groups.add(new Group(id, name)); } result.close(); } catch (SQLException ex) { throw new SQLException(ex.getMessage()); } return groups; }

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• Hibernate OneToMany and ManyToOne confusion! Null List!

  - by squizz

  I have two tables... For example - Company and Employee (let's keep this real simple) Company( id, name ); Employee( id, company_id ); Employee.company_id is a foreign key. My entity model looks like this... Employee @ManyToOne(cascade = CascadeType.PERSIST) @JoinColumn(name = "company_id") Company company; Company @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER) @JoinColumn(name = "company_id") List<Employee> employeeList = new ArrayList<Employee>(); So, yeah I want a list of employees for a company. When I do the following... Employee e = new Employee(); e.setCompany(c); //c is an Company that is already in the database. DAO.insertEmployee(e); //this works fine! If I then get my Company object it's list is empty! Ive tried endless different ways from the Hibernate documentation! Obviously not tried the correct one yet! I just want the list to be populated for me or find out a sensible alternative. Help would be greatly appreciated, thanks!

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• Strange Puzzle - Invalid memory access of location

  - by Rob Graeber

  The error message I'm getting consistently is: Invalid memory access of location 0x8 rip=0x10cf4ab28 What I'm doing is making a basic stock backtesting system, that is iterating huge arrays of stocks/historical data across various algorithms, using java + eclipse on the latest Mac Os X. I tracked down the code that seems to be causing it. A method that is used to get the massive arrays of data and is called thousands of times. Nothing is retained so I don't think there is a memory leak. However there seems to be a set limit of around 7000 times I can iterate over it before I get the memory error. The weird thing is that it works perfectly in debug mode. Does anyone know what debug mode does differently in Eclipse? Giving the jvm more memory doesn't help, and it appears to work fine using -xint. And again it works perfectly in debug mode. public static List<Stock> getStockArray(ExchangeType e){ List<Stock> stockArray = new ArrayList<Stock>(); if(e == ExchangeType.ALL){ stockArray.addAll(getStockArray(ExchangeType.NYSE)); stockArray.addAll(getStockArray(ExchangeType.NASDAQ)); }else if(e == ExchangeType.ETF){ stockArray.addAll(etfStockArray); }else if(e == ExchangeType.NYSE){ stockArray.addAll(nyseStockArray); }else if(e == ExchangeType.NASDAQ){ stockArray.addAll(nasdaqStockArray); } return stockArray; } A simple loop like this, iterated over 1000s of times, will cause the memory error. But not in debug mode. for (Stock stock : StockDatabase.getStockArray(ExchangeType.ETF)) { System.out.println(stock.symbol); }

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• JAVA : How to get the positions of all matches in a String?

  - by user692704

  I have a text document and a query (the query could be more than one word). I want to find the position of all occurrences of the query in the document. I thought of the documentText.indexOf(query) and using regular expression but I could not make it work. I end up with the following method: First, I have create a dataType called QueryOccurrence public class QueryOccurrence implements Serializable{ public QueryOccurrence(){} private int start; private int end; public QueryOccurrence(int nameStart,int nameEnd,String nameText){ start=nameStart; end=nameEnd; } public int getStart(){ return start; } public int getEnd(){ return end; } public void SetStart(int i){ start=i; } public void SetEnd(int i){ end=i; } } Then, I have used this datatype in the following method: public static List<QueryOccurrence>FindQueryPositions(String documentText, String query){ // Normalize do the following: lower case, trim, and remove punctuation String normalizedQuery = Normalize.Normalize(query); String normalizedDocument = Normalize.Normalize(documentText); String[] documentWords = normalizedDocument.split(" ");; String[] queryArray = normalizedQuery.split(" "); List<QueryOccurrence> foundQueries = new ArrayList(); QueryOccurrence foundQuery = new QueryOccurrence(); int index = 0; for (String word : documentWords) { if (word.equals(queryArray[0])){ foundQuery.SetStart(index); } if (word.equals(queryArray[queryArray.length-1])){ foundQuery.SetEnd(index); if((foundQuery.End()-foundQuery.Start())+1==queryArray.length){ //add the found query to the list foundQueries.add(foundQuery); //flush the foundQuery variable to use it again foundQuery= new QueryOccurrence(); } } index++; } return foundQueries; } This method return a list of all occurrence of the query in the document each one with its position. Could you suggest any easer and faster way to accomplish this task. Thanks

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• How can I avoid garbage collection delays in Java games? (Best Practices)

  - by Brian

  I'm performance tuning interactive games in Java for the Android platform. Once in a while there is a hiccup in drawing and interaction for garbage collection. Usually it's less than one tenth of a second, but sometimes it can be as large as 200ms on very slow devices. I am using the ddms profiler (part of the Android SDK) to search out where my memory allocations come from and excise them from my inner drawing and logic loops. The worst offender had been short loops done like, for(GameObject gob : interactiveObjects) gob.onDraw(canvas); where every single time the loop was executed there was an iterator allocated. I'm using arrays (ArrayList) for my objects now. If I ever want trees or hashes in an inner loop I know that I need to be careful or even reimplement them instead of using the Java Collections framework since I can't afford the extra garbage collection. That may come up when I'm looking at priority queues. I also have trouble where I want to display scores and progress using Canvas.drawText. This is bad, canvas.drawText("Your score is: " + Score.points, x, y, paint); because Strings, char arrays and StringBuffers will be allocated all over to make it work. If you have a few text display items and run the frame 60 times a second that begins to add up and will increase your garbage collection hiccups. I think the best choice here is to keep char[] arrays and decode your int or double manually into it and concatenate strings onto the beginning and end. I'd like to hear if there's something cleaner. I know there must be others out there dealing with this. How do you handle it and what are the pitfalls and best practices you've discovered to run interactively on Java or Android? These gc issues are enough to make me miss manual memory management, but not very much.

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• Java using generics with lists and interfaces

  - by MirroredFate

  Ok, so here is my problem: I have a list containing interfaces - List<Interface> a - and a list of interfaces that extend that interface: List<SubInterface> b. I want to set a = b. I do not wish to use addAll() or anything that will cost more memory as what I am doing is already very cost-intensive. I literally need to be able to say a = b. I have tried List<? extends Interface> a, but then I cannot add Interfaces to the list a, only the SubInterfaces. Any suggestions? EDIT I want to be able to do something like this: List<SubRecord> records = new ArrayList<SubRecord>(); //add things to records recordKeeper.myList = records; The class RecordKeeper is the one that contains the list of Interfaces (NOT subInterfaces) public class RecordKeeper{ public List<Record> myList; }

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• getting duplicate array output - java

  - by dowln

  Hello, Can someone could be kind and help me out here. Thanks in advance... My code below outputs the string as duplicates. I don't want to use Sets or ArrayList. I am using java.util.Random. I am trying to write a code that checks if string has already been randomly outputted and if it does, then it won't display. Where I am going wrong and how do I fix this. public class Worldcountries { private static Random nums = new Random(); private static String[] countries = { "America", "Candada", "Chile", "Argentina" }; public static int Dice() { return (generator.nums.nextInt(6) + 1); } public String randomCounties() { String aTemp = " "; int numOfTimes = Dice(); int dup = 0; for(int i=0 ; i<numOfTimes; i++) { // I think it's in the if statement where I am going wrong. if (!countries[i].equals(countries[i])) { i = i + 1; } else { dup--; } // and maybe here aTemp = aTemp + countries[nums.nextInt(countries.length)]; aTemp = aTemp + ","; } return aTemp; } } So the output I am getting (randomly) is, "America, America, Chile" when it should be "America, Chile".

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• SQL server 2008 R2 installation error

  - by Sonia

  I have a windows 7,32 bit laptop. I am the administrator with all permissions. when I click on the SQL server 2008R2 set up file,it says : "SQL server set up has encountered the following error:Failed to retreive data for this request" click on OK. I have uninstalled all the components of SQL from control panel. I used Windows installer clean up to remove the files(which I must have not done ),but still no go. The summary.txt log says: Overall summary: Final result: Failed: see details below Exit code (Decimal): 847168662 Exit facility code: 638 Exit error code: 50326 Exit message: Failed to retrieve data for this request. Start time: 2012-05-25 14:59:15 End time: 2012-05-25 15:00:09 Requested action: RunRules Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20120525_145905\Detail.txt Exception help link: http%3a%2f%2fgo.microsoft.com%2ffwlink%3fLinkId%3d20476%26ProdName%3dMicrosoft%2bSQL%2bServer%26EvtSrc%3dsetup.rll%26EvtID%3d50000%26ProdVer%3d10.0.5500.0%26EvtType%3d0xEF814B06%400x92D13C14 Machine Properties: Machine name: EWAN-PC Machine processor count: 4 OS version: Windows Vista OS service pack: Service Pack 1 OS region: Australia OS language: English (United States) OS architecture: x86 Process architecture: 32 Bit OS clustered: No Package properties: Description: SQL Server Database Services 2008 SQLProductFamilyCode: {628F8F38-600E-493D-9946-F4178F20A8A9} ProductName: SQL2008 Type: RTM Version: 10 SPLevel: 0 Installation location: c:\385030d65c6ff61fb9\x86\setup\ Installation edition: EXPRESS User Input Settings: ACTION: RunRules CONFIGURATIONFILE: FEATURES: HELP: False INDICATEPROGRESS: False INSTANCENAME: QUIET: False QUIETSIMPLE: False RULES: GLOBALRULES,SqlUnsupportedProductBlocker,PerfMonCounterNotCorruptedCheck,Bids2005InstalledCheck,BlockInstallSxS,AclPermissionsFacet,FacetDomainControllerCheck,SSMS_IsInternetConnected,FacetWOW64PlatformCheck,FacetPowerShellCheck X86: False Configuration file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20120525_145905\ConfigurationFile.ini Detailed results: Rules with failures: Global rules: There are no scenario-specific rules. Rules report file: The rule result report file is not available. Exception summary: The following is an exception stack listing the exceptions in outermost to innermost order Inner exceptions are being indented Exception type: Microsoft.SqlServer.Management.Sdk.Sfc.EnumeratorException Message: Failed to retrieve data for this request. Data: HelpLink.ProdName = Microsoft SQL Server HelpLink.BaseHelpUrl = http://go.microsoft.com/fwlink HelpLink.LinkId = 20476 DisableWatson = true Stack: at Microsoft.SqlServer.Setup.Chainer.Workflow.PendingActions.InvokeActions(WorkflowObject metaDb, TextWriter loggingStream) at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionEngine.RunActionQueue() at Microsoft.SqlServer.Setup.Chainer.Workflow.Workflow.RunWorkflow(HandleInternalException exceptionHandler) at Microsoft.SqlServer.Chainer.Setup.Setup.RunRequestedWorkflow() at Microsoft.SqlServer.Chainer.Setup.Setup.Run() at Microsoft.SqlServer.Chainer.Setup.Setup.Start() at Microsoft.SqlServer.Chainer.Setup.Setup.Main() Inner exception type: Microsoft.SqlServer.Configuration.Sco.ScoException Message: Attempted to perform an unauthorized operation. Data: WatsonData = HKEY_LOCAL_MACHINE@SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft SQL Server 10 Stack: at Microsoft.SqlServer.Configuration.Sco.InternalRegistryKey.OpenSubKey(String subkey, RegistryAccess requestedAccess) at Microsoft.SqlServer.Configuration.Sco.SqlRegistryKey.OpenSubKey(String subkey, RegistryAccess requestedAccess) at Microsoft.SqlServer.Discovery.RegistryKeyExistsPropertyValueProvider.GetPropertyValue(Object[] context) at Microsoft.SqlServer.Discovery.DiscoveryEnumObject.GetPropertyValueFromProvider(IPropertyValueProvider propertyValueProvider, String machineName, Object[] context) at Microsoft.SqlServer.Discovery.ObjectInstanceSettings.IsObjectFound(String machineName, String idFilter) at Microsoft.SqlServer.Discovery.Product.FilterObjectSet(ArrayList objects, String idFilter) at Microsoft.SqlServer.Discovery.Product.GetData(EnumResult erParent) at Microsoft.SqlServer.Management.Sdk.Sfc.Environment.GetData() at Microsoft.SqlServer.Management.Sdk.Sfc.Environment.GetData(Request req, Object ci) at Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.GetData(Object connectionInfo, Request request) at Microsoft.SqlServer.Management.Sdk.Sfc.Enumerator.Process(Object connectionInfo, Request request) Inner exception type: System.UnauthorizedAccessException Message: Attempted to perform an unauthorized operation. Stack: at Microsoft.SqlServer.Configuration.Sco.InternalRegistryKey.OpenSubKey(String subkey, RegistryAccess requestedAccess) Ineed to install SQL server 2008 R2 for one of the company softwares to work. Any immediate help will be greatly appreciated. Thanks Sonia

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• StackOverFlowError while creating Mac object on AS400/Java

  - by Prasanna K Rao

  Hello all, I am a newbie to AS400-Java programming. I am trying to create my first program to test the implementation of Message Authentication Code (MAC). I am trying to use the HMACSHA1 hash function. My (Java 1.4) program runs fine on a dev box (V5R4).But fails terribly on the QA box (V5R3). My program is as below: ===================================================== import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import java.security.Security; import java.security.Provider; import javax.crypto.Mac; import javax.crypto.spec.SecretKeySpec; import javax.crypto.SecretKey; public class Test01 { private static final String HMAC_SHA1_ALGORITHM = "HmacSHA1"; public static void main (String [] arguments) { byte[] key = { 1,2,3,4,5,6,7,8}; SecretKeySpec SHA1key = new SecretKeySpec(key, "HmacSHA1"); Mac hmac; String strFinalRslt = ""; try { hmac = Mac.getInstance("HmacSHA1"); hmac.init(SHA1key); byte[] result = hmac.doFinal(); strFinalRslt = toHexString(result); }catch (NoSuchAlgorithmException e) { // TODO Auto-generated catch block e.printStackTrace(); }catch (InvalidKeyException e) { // TODO Auto-generated catch block e.printStackTrace(); }catch(StackOverflowError e){ e.printStackTrace(); } System.out.println(strFinalRslt); System.out.println("All done!!!"); } public static byte[] fromHexString ( String s ) { int stringLength = s.length(); if ( (stringLength & 0x1) != 0 ) { throw new IllegalArgumentException ( "fromHexString requires an even number of hex characters" ); } byte[] b = new byte[stringLength / 2]; for ( int i=0,j=0; i 4] ); //look up low nibble char sb.append( hexChar [b[i] & 0x0f] ); } return sb.toString(); } static char[] hexChar = { '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' , '8' , '9' , 'a' , 'b' , 'c' , 'd' , 'e' , 'f'}; } This program compiles fine and gets the correct response on my win-xp client and also my dev box. But, fails with the following error on the QA box: java.lang.StackOverflowError at java.lang.Throwable.(Throwable.java:180) at java.lang.Error.(Error.java:37) at java.lang.StackOverflowError.(StackOverflowError.java:24) at java.io.Os400FileSystem.list(Native method) at java.io.File.list(File.java:922) at javax.crypto.b.e(Unknown source) at javax.crypto.b.a(Unknown source) at javax.crypto.b.c(Unknown source) at javax.crypto.b£0.run(Unknown source) at javax.crypto.b.(Unknown source) at javax.crypto.Mac.getInstance(Unknown source) I have verified the java.security file and entry corresponding to the jce files are all ok. The DMPJVM command gives me the following response: Thu Jun 03 12:25:34 E Java Virtual Machine Information 016822/QPGMR/11111 ........................................................................ . Classpath . ........................................................................ java.version=1.4 sun.boot.class.path=/QIBM/ProdData/OS400/Java400/jdk/lib/jdkptf14.zip:/QIBM /ProdData/OS400/Java400/ext/ibmjssefw.jar:/QIBM/ProdData/CAP/ibmjsseprovide r.jar:/QIBM/ProdData/OS400/Java400/ext/ibmjsseprovider2.jar:/QIBM/ProdData/ OS400/Java400/ext/ibmpkcs11impl.jar:/QIBM/ProdData/CAP/ibmjssefips.jar:/QIB M/ProdData/OS400/Java400/jdk/lib/IBMiSeriesJSSE.jar:/QIBM/ProdData/OS400/Ja va400/jdk/lib/jce.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/jaas.jar:/QIBM/P rodData/OS400/Java400/jdk/lib/ibmcertpathfw.jar:/QIBM/ProdData/OS400/Java40 0/jdk/lib/ibmcertpathprovider.jar:/QIBM/ProdData/OS400/Java400/ext/ibmpkcs. jar:/QIBM/ProdData/OS400/Java400/jdk/lib/ibmjgssfw.jar:/QIBM/ProdData/OS400 /Java400/jdk/lib/ibmjgssprovider.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/s ecurity.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/charsets.jar:/QIBM/ProdDat a/OS400/Java400/jdk/lib/resources.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/ rt.jar:/QIBM/ProdData/OS400/Java400/jdk/lib/sunrsasign.jar:/QIBM/ProdData/O S400/Java400/ext/IBMmisc.jar:/QIBM/ProdData/Java400/ java.class.path=/myhome/lib/commons-codec-1.3.jar:/myhome/lib/commons-httpc lient-3.1.jar:/myhome/lib/commons-logging-1.1.jar:/myhome/lib/log4j-1.2.15.jar:/myhome/lib/log4j-core.jar ; java.ext.dirs=/QIBM/ProdData/OS400/Java400/jdk/lib/ext:/QIBM/UserData/Java4 00/ext:/QIBM/ProdData/Java400/jdk14/lib/ext java.library.path=/QSYS.LIB/ROBOTLIB.LIB:/QSYS.LIB/QTEMP.LIB:/QSYS.LIB/ODIP GM.LIB:/QSYS.LIB/QGPL.LIB ........................................................................ . Garbage Collection . ........................................................................ Garbage collector parameters Initial size: 16384 K Max size: 240000000 K Current values Heap size: 437952 K Garbage collections: 58 Additional values JIT heap size: 53824 K JVM heap size: 55752 K Last GC cycle time: 1333 ms ........................................................................ . Thread information . ........................................................................ Information for 4 thread(s) of 4 thread(s) processed Thread: 00000004 Thread-0 TDE: B00380000BAA0000 Thread priority: 5 Thread status: Running Thread group: main Runnable: java/lang/Thread Stack: java/io/Os400FileSystem.list(Ljava/io/File;)[Ljava/lang/String;+0 (Os400FileSystem.java:0) java/io/File.list()[Ljava/lang/String;+19 (File.java:922) javax/crypto/b.e()[B+127 (:0) javax/crypto/b.a(Ljava/security/cert/X509Certificate;)V+7 (:0) javax/crypto/b.access$500(Ljava/security/cert/X509Certificate;)V+1 (:0) javax/crypto/b$0.run()Ljava/lang/Object;+98 (:0) javax/crypto/b.()V+507 (:0) javax/crypto/Mac.getInstance(Ljava/lang/String;)Ljavax/crypto/Mac;+10 (:0) Locks: None Thread: 00000007 jitcompilethread TDE: B00380000BD58000 Thread priority: 5 Thread status: Java wait Thread group: system Runnable: java/lang/Thread Stack: None Locks: None Thread: 00000005 Reference Handler TDE: B00380000BAAC000 Thread priority: 10 Thread status: Waiting Wait object: java/lang/ref/Reference$Lock Thread group: system Runnable: java/lang/ref/Reference$ReferenceHandler Stack: java/lang/Object.wait()V+1 (Object.java:452) java/lang/ref/Reference$ReferenceHandler.run()V+47 (Reference.java:169) Locks: None Thread: 00000006 Finalizer TDE: B00380000BAB3000 Thread priority: 8 Thread status: Waiting Wait object: java/lang/ref/ReferenceQueue$Lock Thread group: system Runnable: java/lang/ref/Finalizer$FinalizerThread Stack: java/lang/ref/ReferenceQueue.remove(J)Ljava/lang/ref/Reference;+43 (ReferenceQueue.java:111) java/lang/ref/ReferenceQueue.remove()Ljava/lang/ref/Reference;+1 (ReferenceQueue.java:127) java/lang/ref/Finalizer$FinalizerThread.run()V+3 (Finalizer.java:171) Locks: None ........................................................................ . Class loader information . ........................................................................ 0 Default class loader 1 sun/reflect/DelegatingClassLoader 2 sun/misc/Launcher$ExtClassLoader ........................................................................ . GC heap information . ........................................................................ Loader Objects Class name ------ ------- ---------- 0 1493 [C 0 2122181 java/lang/String 0 47 [Ljava/util/Hashtable$Entry; 0 68 [Ljava/lang/Object; 0 1016 java/lang/Class 0 31 java/util/HashMap 0 37 java/util/Hashtable 0 2 java/lang/ThreadGroup 0 2 java/lang/RuntimePermission 0 2 java/lang/ref/ReferenceQueue$Null 0 5 java/lang/ref/ReferenceQueue 0 50 java/util/Vector 0 4 java/util/Stack 0 3 sun/misc/SoftCache 0 1 [Ljava/lang/ThreadGroup; 0 5 [Ljava/io/ObjectStreamField; 0 1 sun/reflect/ReflectionFactory 0 7 java/lang/ref/ReferenceQueue$Lock 0 10 java/lang/Object 0 1 java/lang/String$CaseInsensitiveComparator 0 1 java/util/Hashtable$EmptyEnumerator 0 1 java/util/Hashtable$EmptyIterator 0 33 [Ljava/util/HashMap$Entry; 0 19210 [J 0 1 sun/nio/cs/StandardCharsets 0 5 java/util/TreeMap 0 1075 java/util/TreeMap$Entry 0 469 [Ljava/lang/String; 0 1 java/lang/StringBuffer 0 2 java/io/FileInputStream 0 2 java/io/FileOutputStream 0 2 java/io/BufferedOutputStream 0 1 java/lang/reflect/ReflectPermission 0 1 [[Ljava/lang/ref/SoftReference; 0 2 [Ljava/lang/ref/SoftReference; 0 2 sun/nio/cs/Surrogate$Parser 0 3 sun/misc/Signal 0 1 [Ljava/io/File; 0 6 java/io/File 0 1 java/util/BitSet 0 17 sun/reflect/NativeConstructorAccessorImpl 0 2 java/net/URLClassLoader$ClassFinder 0 12 java/util/ArrayList 0 32 java/io/RandomAccessFile 0 16 java/lang/Thread 0 1 java/lang/ref/Reference$ReferenceHandler 0 1 java/lang/ref/Finalizer$FinalizerThread 0 266 [B 0 2 java/util/Properties 0 71 java/lang/ref/Finalizer 0 2 com/ibm/nio/cs/DirectEncoder 0 38 java/lang/reflect/Constructor 0 33 java/util/jar/JarFile 0 19200 java/lang/StackOverflowError 0 5 java/security/AccessControlContext 0 2 [Ljava/lang/Thread; 0 4 java/lang/OutOfMemoryError 0 1065 java/util/Hashtable$Entry 0 1 java/io/BufferedInputStream 0 2 java/io/PrintStream 0 2 java/io/OutputStreamWriter 0 428 [I 0 3 java/lang/ClassLoader$NativeLibrary 0 25 java/util/Locale 0 3 sun/misc/URLClassPath 0 30 java/util/zip/Inflater 0 612 java/util/HashMap$Entry 0 2 java/io/FilePermission 0 10 java/io/ObjectStreamField 0 1 java/security/BasicPermissionCollection 0 2 java/security/ProtectionDomain 0 1 java/lang/Integer$1 0 1 java/lang/ref/Reference$Lock 0 1 java/lang/Shutdown$Lock 0 1 java/lang/Runtime 0 36 java/io/FileDescriptor 0 1 java/lang/Long$1 0 202 java/lang/Long 0 3 java/lang/ThreadLocal 0 3 java/nio/charset/CodingErrorAction 0 2 java/nio/charset/CoderResult 0 1 java/nio/charset/CoderResult$1 0 1 java/nio/charset/CoderResult$2 0 1 sun/misc/Unsafe 0 2 java/nio/ByteOrder 0 1 java/io/Os400FileSystem 0 3 java/lang/Boolean 0 1 java/lang/Terminator$1 0 23 java/lang/Integer 0 2 sun/misc/NativeSignalHandler 0 1 sun/misc/Launcher$Factory 0 1 sun/misc/Launcher 0 53 [Ljava/lang/Class; 0 1 java/lang/reflect/ReflectAccess 0 18 sun/reflect/DelegatingConstructorAccessorImpl 0 1 sun/net/www/protocol/file/Handler 0 3 java/util/HashSet 0 3 sun/net/www/protocol/jar/Handler 0 1 java/util/jar/JavaUtilJarAccessImpl 0 1 java/net/UnknownContentHandler 0 2 [Ljava/security/Principal; 0 10 [Ljava/security/cert/Certificate; 0 2 sun/misc/AtomicLongCSImpl 0 3 sun/reflect/DelegatingMethodAccessorImpl 0 1 sun/security/util/ByteArrayLexOrder 0 1 sun/security/util/ByteArrayTagOrder 0 7 sun/security/x509/CertificateVersion 0 7 sun/security/x509/CertificateSerialNumber 0 7 sun/security/x509/SerialNumber 0 7 sun/security/x509/CertificateAlgorithmId 0 7 sun/security/x509/CertificateIssuerName 0 60 sun/security/x509/RDN 0 60 [Lsun/security/x509/AVA; 0 67 sun/security/util/DerInputStream 0 3 [Ljava/math/BigInteger; 0 2 com/ibm/nio/cs/Converter 0 2 sun/nio/cs/StreamEncoder$CharsetSE 0 35 java/lang/ref/SoftReference 0 2 java/nio/HeapByteBuffer 0 2 java/io/BufferedWriter 0 33 sun/misc/URLClassPath$JarLoader 0 4 java/lang/ThreadLocal$ThreadLocalMap$Entry 0 76 java/net/URL 0 1 sun/misc/Launcher$ExtClassLoader 0 1 sun/misc/Launcher$AppClassLoader 0 4 java/lang/Throwable 0 7 java/lang/reflect/Method 0 2 sun/misc/URLClassPath$FileLoader 0 2 java/security/CodeSource 0 2 java/security/Permissions 0 2 java/io/FilePermissionCollection 0 1 java/lang/ThreadLocal$ThreadLocalMap 0 1 javax/crypto/spec/SecretKeySpec 0 17 java/util/jar/Attributes$Name 0 1 [Ljava/lang/ThreadLocal$ThreadLocalMap$Entry; 0 1 java/security/SecureRandom 0 2 sun/security/provider/Sun 0 1 java/util/jar/JarFile$JarFileEntry 0 1 java/util/jar/JarVerifier 0 3 sun/reflect/NativeMethodAccessorImpl 0 116 sun/security/util/ObjectIdentifier 0 1 java/lang/Package 0 2 [S 0 104 java/math/BigInteger 0 20 sun/security/x509/AlgorithmId 0 14 sun/security/x509/X500Name 0 14 [Lsun/security/x509/RDN; 0 60 sun/security/x509/AVA 0 67 sun/security/util/DerValue 0 67 sun/security/util/DerInputBuffer 0 21 sun/security/x509/AVAKeyword 0 6 sun/security/x509/X509CertImpl 0 7 sun/security/x509/X509CertInfo 0 1 [Lsun/security/util/ObjectIdentifier; 0 1 [[Ljava/lang/Byte; 0 3 [[B 0 7 sun/security/provider/DSAPublicKey 0 7 sun/security/x509/AuthorityKeyIdentifierExtension 0 12 [Ljava/lang/Byte; 0 14 java/lang/Byte 0 7 sun/security/x509/CertificateSubjectName 0 7 sun/security/x509/CertificateX509Key 0 14 sun/security/x509/KeyIdentifier 0 4 [Z 0 5 sun/text/Normalizer$Mode 0 7 sun/security/x509/CertificateValidity 0 14 java/util/Date 0 7 sun/security/provider/DSAParameters 0 7 sun/security/util/BitArray 0 7 sun/security/x509/CertificateExtensions 0 7 java/security/AlgorithmParameters 0 7 sun/security/x509/SubjectKeyIdentifierExtension 0 5 sun/security/x509/BasicConstraintsExtension 0 2 sun/security/x509/KeyUsageExtension 0 1 sun/text/CompactCharArray 0 1 sun/text/CompactByteArray 0 1 sun/net/www/protocol/jar/JarFileFactory 0 1 java/util/Collections$EmptySet 0 1 java/util/Collections$EmptyList 0 1 java/util/Collections$ReverseComparator 0 1 com/ibm/security/jgss/i18n/PropertyResource 0 1 javax/crypto/b$0 0 1 sun/security/provider/X509Factory 0 1 sun/reflect/BootstrapConstructorAccessorImpl 1 1 sun/reflect/GeneratedConstructorAccessor3202134454 2 1 com/ibm/crypto/provider/IBMJCE 0 6 java/util/ResourceBundle$LoaderReference 0 1 [Lsun/security/x509/NetscapeCertTypeExtension$MapEntry; 0 1 com/sun/rsajca/Provider 0 1 com/ibm/security/cert/IBMCertPath 0 1 com/ibm/as400/ibmonly/net/ssl/Provider 0 1 com/ibm/jsse/IBMJSSEProvider 0 1 com/ibm/security/jgss/IBMJGSSProvider 0 5 org/ietf/jgss/Oid 0 1 java/util/PropertyResourceBundle 0 7 java/util/ResourceBundle$ResourceCacheKey 0 2 sun/net/www/protocol/jar/URLJarFile 0 6 sun/misc/SoftCache$ValueCell 0 1 java/util/Random 0 1 java/util/Collections$EmptyMap 0 112 com/ibm/security/util/ObjectIdentifier 0 5 java/security/Security$ProviderProperty 0 1 java/security/cert/CertificateFactory 0 1 sun/security/provider/SecureRandom 0 2 java/security/MessageDigest$Delegate 0 2 sun/security/provider/SHA 0 1 sun/util/calendar/ZoneInfo 0 4 com/ibm/security/x509/X500Name 0 2 [Ljava/security/cert/X509Certificate; 0 1 sun/reflect/DelegatingClassLoader 0 1 sun/security/x509/NetscapeCertTypeExtension 0 7 sun/security/x509/NetscapeCertTypeExtension$MapEntry 0 3 [[Ljava/lang/String; 0 3 java/util/Arrays$ArrayList 0 7 com/ibm/security/x509/NetscapeCertTypeExtension$MapEntry 0 1 com/ibm/security/validator/EndEntityChecker 0 1 java/util/AbstractList$Itr 0 1 com/ibm/security/util/ByteArrayLexOrder 0 1 com/ibm/security/util/ByteArrayTagOrder 0 18 [Lcom/ibm/security/x509/AVA; 0 18 com/ibm/security/util/DerInputStream 0 5 com/ibm/security/util/text/Normalizer$Mode 0 1 com/ibm/security/validator/SimpleValidator 0 1 [Lcom/ibm/security/x509/NetscapeCertTypeExtension$MapEntry; 0 4 [Lcom/ibm/security/x509/RDN; 0 1 java/util/Hashtable$Enumerator 0 4 java/util/LinkedHashMap$Entry 0 1 sun/text/resources/LocaleElements 0 1 sun/text/resources/LocaleElements_en 0 22 com/ibm/security/x509/AVAKeyword 0 4 javax/security/auth/x500/X500Principal 0 18 com/ibm/security/x509/RDN 0 18 com/ibm/security/x509/AVA 0 18 com/ibm/security/util/DerInputBuffer 0 18 com/ibm/security/util/DerValue 0 1 com/ibm/security/util/text/CompactCharArray 0 1 com/ibm/security/util/text/CompactByteArray 0 2 java/util/LinkedHashMap 0 1 java/net/InetAddress$1 0 2 [Ljava/net/InetAddress; 0 2 java/net/InetAddress$Cache 0 1 java/net/Inet4AddressImpl 0 3 java/net/Inet4Address 0 2 java/net/InetAddress$CacheEntry ........................................................................ . Global registry information . ........................................................................ Loader Objects Class name ------ ------- ---------- 0 23 [C 0 1017 java/lang/Class 0 1 java/lang/ref/Reference$ReferenceHandler 0 1 java/lang/ref/Finalizer$FinalizerThread 0 1 sun/misc/Launcher$AppClassLoader 0 32 java/io/RandomAccessFile 0 32 [B Can someone please advise me? Thanks a lot, Prasanna

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