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• Eclipse: export running configuration

  - by Jack

  Hello, I wrote a complex Java application with eclipse that uses many .jar libraries included into project folder. Is there a quick way to export a running configuration of the application that allows me to run it from shell (I don't actually need to move it around machines, so no jar export or similar things). I just need to detach the execution from Eclipse, but since project has many settings I would like to export a script (maybe .sh or just a plain long line) automatically.. Thanks!

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• Is there an equivalent of "OPTION(RECOMPILE)" or "WITH RECOMPILE" for an entire connection?

  - by kamens

  I'm curious. Is there any way to prevent SQL query execution plans from being cached for an entire connection's duration? Can I run a command that basically says, "use OPTION(RECOMPILE) for all subsequent commands until I tell you to stop doing so?" I'm acutely aware of all the performance trade-offs here, and I know this is not a step to be taken lightly. However, I'm in a unique situation where this behavior may be advantageous.

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• c# Is this a valid conditional Statement?

  - by Pandiya Chendur

  I have two methods A and B only after the success of two methods i have to insert into database... So is this a valid conditional Statement in c#? if(A() && B()) { //insert into db } After the execution of method A i have to execute B If both are successful i have to insert...

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• Scala isn't allowing me to execute a batch file whose path contains spaces.Same Java code does.What

  - by Geo

  Here's the code I have: var commandsBuffer = List[String]() commandsBuffer ::= "cmd.exe" commandsBuffer ::= "/c" commandsBuffer ::= '"'+vcVarsAll.getAbsolutePath+'"' commandsBuffer ::= "&&" otherCommands.foreach(c => commandsBuffer ::= c) val asArray = commandsBuffer.reverse.toArray val processOutput = processutils.Proc.executeCommand(asArray,true) return processOutput otherCommands is an Array[String], containing the following elements: vcbuild /rebuild path to a .sln file vcVarsAll contains the path to Visual Studio's vcvarsall.bat. It's path is C:\tools\microsoft visual studio 2005\vc\vcvarsall.bat. The error I receive is: 'c:\Tools\Microsoft' is not recognized as an internal or external command, operable program or batch file.. The processutils.Proc.executeCommand has the following implementation: def executeCommand(params:Array[String],display:Boolean):(String,String) = { val process = java.lang.Runtime.getRuntime.exec(params) val outStream = process.getInputStream val errStream = process.getErrorStream ... } The same code, executed from Java/Groovy works. What am I doing wrong?

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• .NET StandardInput Sending Modifiers

  - by Paul Oakham

  We have some legacy software which depends on sending keystrokes to a DOS window and then scraping the screen. I am trying to re-create the software by redirecting the input and output streams of the process directly to my application. This part I have managed fine using: _Process = new Process(); { _Process.StartInfo.FileName = APPLICATION; _Process.StartInfo.RedirectStandardOutput = true; _Process.StartInfo.RedirectStandardInput = true; _Process.StartInfo.RedirectStandardError = true; _Process.StartInfo.UseShellExecute = false; _Process.StartInfo.CreateNoWindow = true; _Process.OutputDataReceived += new DataReceivedEventHandler(_Process_OutputDataReceived); _Process.ErrorDataReceived += new DataReceivedEventHandler(_Process_ErrorDataReceived); } My problem is I need to send some command modifiers such as Ctrl, ALT and Space as well as F1-12 to this process but am unsure how. I can send basic text and I receive response's fine. I just need to emulate these modifiers.

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• Problems with CloseMainWindow() to close a Windows Explorer window

  - by MorgoZ

  Hello! I´m facing a problem when trying to close a Windows Explorer (not Internet Explorer) window through another application, using the "Process.CloseMainWindow()" method; because it doesn´t close the Explorer window, it tries to close the full Windows (Operative System), by the way, Windows XP. The code is as follows: [DllImport("user32.dll")] static extern int GetForegroundWindow(); [DllImport("user32.dll")] private static extern UInt32 GetWindowThreadProcessId(Int32 hWnd, out Int32 lpdwProcessId); public String[] exeCommand() { try { //Get App Int32 hwnd = 0; hwnd = GetForegroundWindow(); Process actualProcess = Process.GetProcessById(GetWindowProcessID(hwnd)); //Close App if (!actualProcess.CloseMainWindow()) actualProcess.Kill(); } catch { throw; } return null; } Suppose that the "actualProcess" is "explorer.exe" Any help will be appreciated!! Salutes!

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• Recommended way to manage persistent PHP script processes?

  - by BigglesZX

  First off - hello, this is my first Stack Overflow question so I'll try my best to communicate properly. The title of my question may be a bit ambiguous so let me expand upon it immediately: I'm planning a project which involves taking data inputs from several "streaming" APIs, Twitter being one example. I've got a basic script coded up in PHP which runs indefinitely from the command line, taking input from the Twitter streaming API and doing very basic things with it. My eventual objective is to have several such processes running (perhaps daemonized using the System Daemon PEAR class), and I would like to be able to manage them from some governing process (also a PHP script). By manage I mean basic operations such as stop/start and (most crucially) automatically restarting a process that crashes. I would appreciate any pointers on how best to approach this process management angle. Again, apologies if this question is too expansive - tips on more tightly focused lines of enquiry would be appreciated if necessary. Thanks for reading and I look forward to your answers.

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• How to auto-restart a python script on fail?

  - by norm

  This post describes how to keep a child process alive in a BASH script: http://stackoverflow.com/questions/696839/how-do-i-write-a-bash-script-to-restart-a-process-if-it-dies This worked great for calling another BASH script. However, I tried executing something similar where the child process is a Python script: #!/bin/bash PYTHON=/usr/bin/python2.6 function myprocess { $PYTHON daemon.py start } NOW=$(date +"%b-%d-%y") until myprocess; do echo "$NOW Prog crashed. Restarting..." >> error.txt sleep 1 done Now the behaviour is completely different. It seems the python script is no longer a child of of the bash script but seems to have 'taken over' the BASH scripts PID - so there is no longer a BASH wrapper round the called script...why?

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• C# Monitor Programs Periodically Based on PID

  - by ThaKidd

  Thank you in advance for you ideas and input. I would like to periodically check to see if a third party program is currently running on a user's system from my program. I am currently launching the program as follows in C#: String plinkConString = ""; // my connection string Process plink = Process.Start(utilityPath + @"\putty.exe", plinkConString); int plinkProcessId = plink.Id; I launch the program and grab its pid in a Windows environment. As Putty/PLink may disconnect from its SSH server at some point and close, what is the best way to monitor how this process is doing in code? Is there a better way to launch this program to monitor its success or failure?

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• c#: RedirectStandardOutput prevents exit exception?

  - by user1743977

  All I want is to redirect standard output of a process to a file. Sounds easy, but everything I tried doesn't work: 1) putting a dos-style redirection in the list of arguments (e.g. "param1 param2 output.txt") doesn't work, 2) using RedirectStandardOutput = true works, BUT, apparently the process does not through an exception when it exists. So the handler defined via process.Exited += ... doesn't catch anything. To be clear, once I remove the 'RedirectStandardOutput = true ' statement, it DOES catch an exception. What am I doing wrong ? Thanks, Ofer

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• Why does setting a form's enabled property crash the application?

  - by Ruirize

  private void launchbutton_Click(object sender, EventArgs e) { launchbutton.Enabled = false; Process proc = new Process(); proc.EnableRaisingEvents = true; proc.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden; //The arguments/filename is set here, just removed for privacy. proc.Exited += new EventHandler(procExit); proc.Start(); } private void procExit(object sender, EventArgs e) { MessageBox.Show("YAY","WOOT"); Thread.Sleep(2000); launchbutton.Enabled = true; } 2 Seconds after I quit the created process, my program crashes. Why?

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• How do I make a background thread in Java that allows the main application to exit completely? This

  - by Bob

  I have a Java application that creates a new thread to do some work. I can launch the new thread with no problems. When the "main" program terminates, I want the thread I created to keep running - which it does... But the problem is, when I run the main application from Eclipse or from Ant under Windows, control doesn't return unless the background process is killed. If I fork the main java process in ant, I want control to return to ant once the main thread is done with its work... But as it is, ant continues to wait until both the main process and the created thread are both terminated. How do I launch the thread in the background such that control will return to ant when the "main" application is finished? (By the way, when I run the same application under Linux, I am able to do this with no problems).

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• ??ORACLE(?):PMON Release Lock

  - by Liu Maclean(???)

  ?????Oracle????????????PMON???????,??????ORACLE PROCESS,??cleanup dead process????release enqueue lock ,???cleanup latch? ????????????????, ????????????Pmon cleanup dead process?release lock??????????? ??Oracle=> MicroOracle, Maclean???????????Oracle behavior: SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production PL/SQL Release 11.2.0.3.0 - Production CORE    11.2.0.3.0      Production TNS for Linux: Version 11.2.0.3.0 - Production NLSRTL Version 11.2.0.3.0 - Production SQL> select * from global_name; GLOBAL_NAME -------------------------------------------------------------------------------- www.oracledatabase12g.com SQL> select pid,program  from v$process;        PID PROGRAM ---------- ------------------------------------------------          1 PSEUDO          2 [email protected] (PMON)          3 [email protected] (PSP0)          4 [email protected] (VKTM)          5 [email protected] (GEN0)          6 [email protected] (DIAG)          7 [email protected] (DBRM)          8 [email protected] (PING)          9 [email protected] (ACMS)         10 [email protected] (DIA0)         11 [email protected] (LMON)         12 [email protected] (LMD0)         13 [email protected] (LMS0)         14 [email protected] (RMS0)         15 [email protected] (LMHB)         16 [email protected] (MMAN)         17 [email protected] (DBW0)         18 [email protected] (LGWR)         19 [email protected] (CKPT)         20 [email protected] (SMON)         21 [email protected] (RECO)         22 [email protected] (RBAL)         23 [email protected] (ASMB)         24 [email protected] (MMON)         25 [email protected] (MMNL)         26 [email protected] (MARK)         27 [email protected] (D000)         28 [email protected] (SMCO)         29 [email protected] (S000)         30 [email protected] (LCK0)         31 [email protected] (RSMN)         32 [email protected] (TNS V1-V3)         33 [email protected] (W000)         34 [email protected] (TNS V1-V3)         35 [email protected] (TNS V1-V3)         37 [email protected] (ARC0)         38 [email protected] (ARC1)         40 [email protected] (ARC2)         41 [email protected] (ARC3)         43 [email protected] (GTX0)         44 [email protected] (RCBG)         46 [email protected] (QMNC)         47 [email protected] (TNS V1-V3)         48 [email protected] (TNS V1-V3)         49 [email protected] (Q000)         50 [email protected] (Q001)         51 [email protected] (GCR0) SQL> drop table maclean; Table dropped. SQL> create table maclean(t1 int); Table created. SQL> insert into maclean values(1); 1 row created. SQL> commit; Commit complete. ?????????, ?????????:PID=2  PMONPID=11 LMONPID=18 LGWRPID=20 SMONPID=12 LMD ??????2???”enq: TX – row lock contention”?????,???KILL??????,??????PMON?recover dead process?release TX lock: PROCESS A: QL> select addr,spid,pid from v$process where addr = ( select paddr from v$session where sid=(select distinct sid from v$mystat)); ADDR             SPID                            PID ---------------- ------------------------ ---------- 00000000BD516B80 17880                            46 SQL> select distinct sid from v$mystat;        SID ----------         22 SQL> update maclean set t1=t1+1; 1 row updated. PROCESS B SQL> select addr,spid,pid from v$process where addr = ( select paddr from v$session where sid=(select distinct sid from v$mystat)); ADDR             SPID                            PID ---------------- ------------------------ ---------- 00000000BD515AD0 17908                            45 SQL> update maclean set t1=t1+1; HANG.............. PROCESS B ??"enq: TX – row lock contention"?HANG? ????PROCESS C?? ?SMON?10500 event trace ??PMON?KST TRACE: SQL> set linesize 200 pagesize 1400 SQL> select * from v$lock where sid=22; ADDR             KADDR                   SID TY        ID1        ID2      LMODE    REQUEST      CTIME      BLOCK ---------------- ---------------- ---------- -- ---------- ---------- ---------- ---------- ---------- ---------- 00000000BDCD7618 00000000BDCD7670         22 AE        100          0          4          0         48          2 00007F63268A9E28 00007F63268A9E88         22 TM      77902          0          3          0         32          2 00000000B9BB4950 00000000B9BB49C8         22 TX     458765        892          6          0         32          1 PROCESS A holde?ENQUEUE LOCK??? AE?TM?TX SQL> alter system switch logfile; System altered. SQL> alter system checkpoint; System altered. SQL> alter system flush buffer_cache; System altered. SQL> alter system set "_trace_events"='10000-10999:255:2,20,33'; System altered. SQL> ! kill -9 17880 KILL PROCESS A ???PROCESS B??update ?PMON ? PROCESS B ?errorstack ?KST TRACE????? SQL> oradebug setorapid 2; Oracle pid: 2, Unix process pid: 17533, image: [email protected] (PMON) SQL> oradebug dump errorstack 4; Statement processed. SQL> oradebug tracefile_name /s01/orabase/diag/rdbms/vprod/VPROD1/trace/VPROD1_pmon_17533.trc SQL> oradebug setorapid 45; Oracle pid: 45, Unix process pid: 17908, image: [email protected] (TNS V1-V3) SQL> oradebug dump errorstack 4; Statement processed. SQL>oradebug tracefile_name /s01/orabase/diag/rdbms/vprod/VPROD1/trace/VPROD1_ora_17908.trc ??PMON? KST TRACE: 2012-05-18 10:37:34.557225 :8001ECE8:db_trace:ktur.c@5692:ktugru(): [10444:2:1] next rollback uba: 0x00000000.0000.00 2012-05-18 10:37:34.557382 :8001ECE9:db_trace:ksl2.c@16009:ksl_update_post_stats(): [10005:2:1] KSL POST SENT postee=18 num=4 loc='ksa2.h LINE:285 ID:ksasnd' id1=0 id2=0 name=   type=0 2012-05-18 10:37:34.557514 :8001ECEA:db_trace:ksq.c@8540:ksqrcli(): [10704:2:1] ksqrcl: release TX-0007000d-0000037c mode=X 2012-05-18 10:37:34.558819 :8001ECF0:db_trace:ksl2.c@16009:ksl_update_post_stats(): [10005:2:1] KSL POST SENT postee=45 num=5 loc='kji.h LINE:3418 ID:kjata: wake up enqueue owner' id1=0 id2=0 name=   type=0 2012-05-18 10:37:34.559047 :8001ECF8:db_trace:ksl2.c@16009:ksl_update_post_stats(): [10005:2:1] KSL POST SENT postee=12 num=6 loc='kjm.h LINE:1224 ID:kjmpost: post lmd' id1=0 id2=0 name=   type=0 2012-05-18 10:37:34.559271 :8001ECFC:db_trace:ksq.c@8826:ksqrcli(): [10704:2:1] ksqrcl: SUCCESS 2012-05-18 10:37:34.559291 :8001ECFD:db_trace:ktu.c@8652:ktudnx(): [10813:2:1] ktudnx: dec cnt xid:7.13.892 nax:0 nbx:0 2012-05-18 10:37:34.559301 :8001ECFE:db_trace:ktur.c@3198:ktuabt(): [10444:2:1] ABORT TRANSACTION - xid: 0x0007.00d.0000037c 2012-05-18 10:37:34.559327 :8001ECFF:db_trace:ksq.c@8540:ksqrcli(): [10704:2:1] ksqrcl: release TM-0001304e-00000000 mode=SX 2012-05-18 10:37:34.559365 :8001ED00:db_trace:ksq.c@8826:ksqrcli(): [10704:2:1] ksqrcl: SUCCESS 2012-05-18 10:37:34.559908 :8001ED01:db_trace:ksq.c@8540:ksqrcli(): [10704:2:1] ksqrcl: release AE-00000064-00000000 mode=S 2012-05-18 10:37:34.559982 :8001ED02:db_trace:ksq.c@8826:ksqrcli(): [10704:2:1] ksqrcl: SUCCESS 2012-05-18 10:37:34.560217 :8001ED03:db_trace:ksfd.c@15379:ksfdfods(): [10298:2:1] ksfdfods:fob=0xbab87b48 aiopend=0 2012-05-18 10:37:34.560336 :GSIPC:kjcs.c@4876:kjcsombdi(): GSIPC:SOD: 0xbc79e0c8 action 3 state 0 chunk (nil) regq 0xbc79e108 batq 0xbc79e118 2012-05-18 10:37:34.560357 :GSIPC:kjcs.c@5293:kjcsombdi(): GSIPC:SOD: exit cleanup for 0xbc79e0c8 rc: 1, loc: 0x303 2012-05-18 10:37:34.560375 :8001ED04:db_trace:kss.c@1414:kssdch(): [10809:2:1] kssdch(0xbd516b80 = process, 3) 1 0 exit 2012-05-18 10:37:34.560939 :8001ED06:db_trace:kmm.c@10578:kmmlrl(): [10257:2:1] KMMLRL: Entering: flg(0x0) rflg(0x4) 2012-05-18 10:37:34.561091 :8001ED07:db_trace:kmm.c@10472:kmmlrl_process_events(): [10257:2:1] KMMLRL: Events: succ(3) wait(0) fail(0) 2012-05-18 10:37:34.561100 :8001ED08:db_trace:kmm.c@11279:kmmlrl(): [10257:2:1] KMMLRL: Reg/update: flg(0x0) rflg(0x4) 2012-05-18 10:37:34.563325 :8001ED0B:db_trace:kmm.c@12511:kmmlrl(): [10257:2:1] KMMLRL: Update: ret(0) 2012-05-18 10:37:34.563335 :8001ED0C:db_trace:kmm.c@12768:kmmlrl(): [10257:2:1] KMMLRL: Exiting: flg(0x0) rflg(0x4) 2012-05-18 10:37:34.563354 :8001ED0D:db_trace:ksl2.c@2598:kslwtbctx(): [10005:2:1] KSL WAIT BEG [pmon timer] 300/0x12c 0/0x0 0/0x0 wait_id=78 seq_num=79 snap_id=1 PMON??dead process A??????????TX Lock:ksqrcl: release TX-0007000d-0000037c mode=X ?????Post Process B,??Process B ?acquire?TX lock???????:KSL POST SENT postee=45 num=5 loc=’kji.h LINE:3418 ID:kjata: wake up enqueue owner’ id1=0 id2=0 name=   type=0 Process B???PMON??????????ksl2.c@14563:ksliwat(): [10005:45:151] KSL POST RCVD poster=2 num=5 loc=’kji.h LINE:3418 ID:kjata: wake up enqueue owner’ id1=0 id2=0 name=   type=0 fac#=3 posted=0×3 may_be_posted=1kslwtbctx(): [10005:45:151] KSL WAIT BEG [latch: ges resource hash list] 3162668560/0xbc827e10 91/0x5b 0/0×0 wait_id=14 seq_num=15 snap_id=1kslwtectx(): [10005:45:151] KSL WAIT END [latch: ges resource hash list] 3162668560/0xbc827e10 91/0x5b 0/0×0 wait_id=14 seq_num=15 snap_id=1 ?RAC????POST LMD(lock Manager)??,????????GES??:2012-05-18 10:37:34.559047 :8001ECF8:db_trace:ksl2.c@16009:ksl_update_post_stats(): [10005:2:1] KSL POST SENT postee=12 num=6 loc=’kjm.h LINE:1224 ID:kjmpost: post lmd’ id1=0 id2=0 name=   type=0 ??ksqrcl: release TX????????:ksq.c@8826:ksqrcli(): [10704:2:1] ksqrcl: SUCCESS ??PMON abort Process A???Transaction2012-05-18 10:37:34.559291 :8001ECFD:db_trace:ktu.c@8652:ktudnx(): [10813:2:1] ktudnx: dec cnt xid:7.13.892 nax:0 nbx:02012-05-18 10:37:34.559301 :8001ECFE:db_trace:ktur.c@3198:ktuabt(): [10444:2:1] ABORT TRANSACTION – xid: 0×0007.00d.0000037c ??Process A?????maclean??TM lock:ksq.c@8540:ksqrcli(): [10704:2:1] ksqrcl: release TM-0001304e-00000000 mode=SXksq.c@8826:ksqrcli(): [10704:2:1] ksqrcl: SUCCESS ??Process A?????AE ( Prevent Dropping an edition in use) lock:ksq.c@8540:ksqrcli(): [10704:2:1] ksqrcl: release AE-00000064-00000000 mode=Sksq.c@8826:ksqrcli(): [10704:2:1] ksqrcl: SUCCESS ??cleanup process Akjcs.c@4876:kjcsombdi(): GSIPC:SOD: 0xbc79e0c8 action 3 state 0 chunk (nil) regq 0xbc79e108 batq 0xbc79e118GSIPC:kjcs.c@5293:kjcsombdi(): GSIPC:SOD: exit cleanup for 0xbc79e0c8 rc: 1, loc: 0×303kss.c@1414:kssdch(): [10809:2:1] kssdch(0xbd516b80 = process, 3) 1 0 exit 0xbd516b80??PROCESS A ?paddr ???? kssdch???????? ??process???state object SO KSS: delete children of state obj. PMON ??kmmlrl()????instance goodness??update for session drop deltakmmlrl(): [10257:2:1] KMMLRL: Entering: flg(0×0) rflg(0×4)kmmlrl_process_events(): [10257:2:1] KMMLRL: Events: succ(3) wait(0) fail(0)kmmlrl(): [10257:2:1] KMMLRL: Reg/update: flg(0×0) rflg(0×4)kmmlrl(): [10257:2:1] KMMLRL: Update: ret(0)kmmlrl(): [10257:2:1] KMMLRL: Exiting: flg(0×0) rflg(0×4) ????????PMON???? 3s???”pmon timer”??kslwtbctx(): [10005:2:1] KSL WAIT BEG [pmon timer] 300/0x12c 0/0×0 0/0×0 wait_id=78 seq_num=79 snap_id=1

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• Asp.NET ReportViewer “report execution has expired or cannot be found” error when using session state service or SQL Server session state

  - by dotneteer

  We encountered an error like: ReportServerException: The report execution x5pl2245iwvvq055khsxzlj5 has expired or cannot be found. (rsExecutionNotFound)]    Microsoft.Reporting.WebForms.ServerReportSoapProxy.OnSoapException(SoapException e) +72    Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.ProxyMethodInvocation.Execute(RSExecutionConnection connection, ProxyMethod`1 initialMethod, ProxyMethod`1 retryMethod) +428    Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.GetExecutionInfo() +133    Microsoft.Reporting.WebForms.ServerReport.EnsureExecutionSession() +197    Microsoft.Reporting.WebForms.ServerReport.LoadViewState(Object viewStateObj) +256    Microsoft.Reporting.WebForms.ServerReport..ctor(SerializationInfo info, StreamingContext context) +355 [TargetInvocationException: Exception has been thrown by the target of an invocation.]    System.RuntimeMethodHandle._SerializationInvoke(Object target, SignatureStruct&amp; declaringTypeSig, SerializationInfo info, StreamingContext context) +0    System.Reflection.RuntimeConstructorInfo.SerializationInvoke(Object target, SerializationInfo info, StreamingContext context) +108    System.Runtime.Serialization.ObjectManager.CompleteISerializableObject(Object obj, SerializationInfo info, StreamingContext context) +273    System.Runtime.Serialization.ObjectManager.FixupSpecialObject(ObjectHolder holder) +49    System.Runtime.Serialization.ObjectManager.DoFixups() +223    System.Runtime.Serialization.Formatters.Binary.ObjectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage) +188    System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage) +203    System.Web.Util.AltSerialization.ReadValueFromStream(BinaryReader reader) +788    System.Web.SessionState.SessionStateItemCollection.ReadValueFromStreamWithAssert() +55    System.Web.SessionState.SessionStateItemCollection.DeserializeItem(String name, Boolean check) +281    System.Web.SessionState.SessionStateItemCollection.DeserializeItem(Int32 index) +110    System.Web.SessionState.SessionStateItemCollection.get_Item(Int32 index) +17    System.Web.SessionState.HttpSessionStateContainer.get_Item(Int32 index) +13    System.Web.Util.AspCompatApplicationStep.OnPageStartSessionObjects() +71    System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2065 This error occurs long after the report viewer page has closed. It occurs to any asp.net page in the application, rendering the entire application unusable until the user gets a new session. The cause of the problem is that the ReportViewer uses session state. When a page retrieves session from any out-of-state session, the session variable of type Microsoft.Reporting.WebForms.ReportHierarchy is deserialized from the session storage. The deserialization could cause the object to connect to the report server when the report is no longer available. The solution is simple but not pretty. We need to clean up the session variable when the report viewer page is closed. One way is to add some Javascript to the page to handle the window.onunload event. In the event handler, call a web service to clean up the session variable. The name of the session variable appears to be randomly generated. So we need to loop through the session variable to find a variable of the type Microsoft.Reporting.WebForms.ReportHierarchy. Microsoft has implemented pinging between the report viewer and the report server to keep the report alive on the server when the report viewer is up; I hope they will go one step further to take care of this problem.

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• Running a scheduled task as SYSTEM with console window open

  - by raoulsson

  I am auto creating scheduled tasks with this line within a batch windows script: schtasks /Create /RU SYSTEM /RP SYSTEM /TN startup-task-%%i /TR %SPEEDWAY_DIR%\%TARGET_DIR%%%i\%STARTUPFILE% /SC HOURLY /MO 1 /ST 17:%%i1:00 I wanted to avoid using specific user credentials and thus decided to use SYSTEM. Now, when checking in the taskmanagers process list or, even better, directly with the C:\> schtasks command itself, all is working well, the tasks are running as intended. However in this particular case I would like to have an open console window where I can see the log flying by. I know I could use C:\> tail -f thelogfile.log if I installed e.g. cygwin (on all machines) or some proprietary tools like Baretail on Windows. But since I only switch to these machines in case of trouble, I would prefer to start the scheduled task in such a way that every user immediately sees the log. Any chance? Thanks!

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• lsass.exe memory leak on windows 2003 server

  - by thelsdj

  In the past month or so I noticed that lsass.exe has started to leak memory, getting to 500MB+ of ram in under a week after reboot. Before this I had never noticed it using any significant amount of memory compared to other processes on the system. This is happening on 2 identical servers, neither of which has anything to do with Active Directory. Maybe a recent Windows Update has caused this? Any thoughts on things to check? As a side question is there some way to recycle the memory usage of lsass.exe without rebooting? Edit: Here is what I'm seeing in Process Monitor, there are thousands of registry open/query/close a minute from lsass.exe. How can I track down what is triggering these?

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• explorer.exe eating all CPU, how to to detect culprit?

  - by JohnDoe

  Windows 7 64bit. I am using ProcessExplorer from Sysinternals, and it says, that the offending call is ntdll.dll!RtlValidateHeap+0x170 however, the call stack towards the entry is always different, so it's hard for me to track the problem. Maybe it's a mal-programed trojan, causing exceptions in Explorer.exe, but that is only a wild speculation. Explorer.exe is then consuming 25% (a core on a dual core). Killing the process makes the task bar go away, respawning from task manager, and half a minute later it's again eating all CPU cycles.

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• "Supervising" syslog-ng in htop

  - by djechelon

  Hello, I was working at my server, when in htop I just noticed something unusual. The syslog-ng process was listed as follows supervising syslog-ng /sbin/syslog-ng I don't know what it means. I tried to do man supervising but found nothing. supervising command doesn't exist too. Googling, I found a page about launchtool, but I can't find neither it or its man page in my system. I'm curious What does that executable/command/whatever do? Why today did I read that line in htop? Thank you. PS: I was unsure about posting this to SU or SF: even if it's a server-related question, it covers general Linux.

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• procfs and youtube flash video

  - by trideceth12

  Up until recently (about 3 months ago), ALL open flash videos had deleted file handles in the procfs virtual folder for the flash plugin, I could see them thus: ps x|grep flash cd /proc/#PROCESS#/fd ls -l cp #FILE# ~/ This still works for the vast majority of flash video, but some YouTube videos no longer keep this open file handle. My questions are: A) Why not? B) Where are these files now stored? C) How can I get this file Yes I know I could probably get a browser plugin, it just annoys me that they are hiding these files so I want to keep doing it the hard way.

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• How do I deal with a third party application that has embedded hints that result in a sub-optimal execution plan in my environment?

  - by Maria Colgan

  I have gotten many variations on this question recently as folks begin to upgrade to Oracle Database 11g and there have been several posts on this blog and on others describing how to use SQL Plan Management (SPM) so that a non-hinted SQL statement can use a plan generated with hints. But what if the hint is supplied in the third party application and is causing performance regressions on your system? You can actually use a very similar technique to the ones shown before but this time capture the un-hinted plan and have the hinted SQL statement use that plan instead. Below is an example that demonstrates the necessary steps. 1. We will begin by running the hinted statement 2. After examining the execution plan we can see it is suboptimal because of a bad join order. 3. In order to use SPM to correct the problem we must create a SQL plan baseline for the statement. In order to create a baseline we will need the SQL_ID for the hinted statement. Easy place to get it is in V$SQL. 4. A SQL plan baseline can be created using a SQL_ID and DBMS_SPM.LOAD_PLANS_FROM_CURSOR_CACHE. This will capture the existing plan for this SQL_ID from the shared pool and store in the SQL plan baseline. 5. We can check the SQL plan baseline got created successfully by querying DBA_SQL_PLAN_BASELINES. 6. When you manually create a SQL plan baseline the first plan added is automatically accepted and enabled. We know that the hinted plan is poorly performing plan so we will disable it using DBMS_SPM.ALTER_SQL_PLAN_BASELINE. Disabling the plan tells the optimizer that this plan not a good plan, however since there is no alternative plan at this point the optimizer will still continue to use this plan until we provide a better one. 7. Now let's run the statement without the hint. 8. Looking at the execution plan we can see that the join order is different. The plan without the hint also has a lower cost (3X lower), which indicates it should perform better. 9. In order to map the un-hinted plan to the hinted SQL statement we need to add the plan to the SQL plan baseline for the hinted statement. We can do this using DBMS_SPM.LOAD_PLANS_FROM_CURSOR_CACHE but we will need the SQL_ID and  PLAN_HASH_VALUE for the non-hinted statement, which we can find in V$SQL. 10. Now we can add the non-hinted plan to the SQL plan baseline of the hinted SQL statement using DBMS_SPM.LOAD_PLANS_FROM_CURSOR_CACHE. This time we need to pass a few more arguments. We will use the SQL_ID and PLAN_HASH_VALUE of the non-hinted statement but the SQL_HANDLE of the hinted statement. 11. The SQL plan baseline for our statement now has two plans. But only the newly added plan (SQL_PLAN_gbpcg3f67pc788a6d8911) is enabled and accepted. This tells the Optimizer that this is the plan it should use for this statement. We can confirm that the correct plan (non-hinted) will be selected for the statement from now on by re-executing the hinted statement and checking its execution plan.

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• Running a scheduled task as SYSTEM with console window open

  - by raoulsson

  I am auto creating scheduled tasks with this line within a batch windows script: schtasks /Create /RU SYSTEM /RP SYSTEM /TN startup-task-%%i /TR %SPEEDWAY_DIR%\%TARGET_DIR%%%i\%STARTUPFILE% /SC HOURLY /MO 1 /ST 17:%%i1:00 I wanted to avoid using specific user credentials and thus decided to use SYSTEM. Now, when checking in the taskmanagers process list or, even better, directly with the C:\> schtasks command itself, all is working well, the tasks are running as intended. However in this particular case I would like to have an open console window where I can see the log flying by. I know I could use C:\> tail -f thelogfile.log if I installed e.g. cygwin (on all machines) or some proprietary tools like Baretail on Windows. But since I only switch to these machines in case of trouble, I would prefer to start the scheduled task in such a way that every user immediately sees the log. Any chance? Thanks!

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• finding the user of iis apppool \ defaultapppool

  - by LosManos

  My IIS apppool user is trying to create a folder but fails. How do I find out which User it is? Let's say I don't know much about IIS7 but need to trace whatever is happening through tools. Place of crime is WinSrv2008 with IIS7. So I fire up Sysinternals/ProcessMonitor to find out what is happening. I find Access denied on a folder just as I suspected. But which user? I add the User column to the output and it says IIS Apppool\Defaultapppool in capitals. Well... that isn't a user is it? If I go to IIS and its Apppools and Advanced settings and Process model and Identity I can see clues about which user it is but that is only because I know IIS. What if it had been Apache or LightHttpd or whatever? How do I see the user to give the appropriate rights to?

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• please assist me debug a stack trace

  - by Eds

  I am having an issue on a windows 2003 terminal server, where the system process is using a constantly high amount of CPU. I believe that it is the srv.sys that is causing an issue, but not quite sure how to fully diagnose the problem. I have looked at the stack for the srv.sys!workerthread, which is what seems to be using the CPU. The stack is as follows: 0 ntoskrnl.exe!KeSetBasePriorityThread+0xf7 1 ntoskrnl.exe!MiDeleteAddressesInWorkingSet+0x103 2 srv.sys!WorkerThread+0x7c 3 ntoskrnl.exe!FsRtNotifyFilterReportChange+0x10 4 ntoskrnl.exe!RtClearBits+0x24 Can anyone offer any advice based on the above, or some other things I could look at in order to get to the bottom of this? Many Thanks, Eds

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• What is Mobsync.exe? Assuming I don't need it, can I disable it in Windows 7 without ill side effect

  - by Chris W. Rea

  I'm running Windows 7. Occasionally when I resume my computer from standby, it seems to wait 20-30 seconds or so before giving me full control back. In an attempt to diagnose why, I've been watching what's going on using the awesome Process Explorer. One of the processes I've noticed being started during that hiccup time is Mobsync.exe, described as "Microsoft Sync Center". Sync? Sync what? So, what is Mobsync.exe used for, exactly? Assuming I don't need its functionality, can I disable it in Windows 7 without ill side effect? If so, what's the best way to disable Mobsync.exe?

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• Laptop turns off after 20 minutes of use

  - by Christoph

  My laptop a sony vaio VGN-NW11S http://www.trustedreviews.com/Sony-VAIO-VGN-NW11S-S---15-5in-Laptop_Laptop_review. Everytime i turn it on, in safe mode or not, if i try to open an application i.e. run a process such as google chrome or event viewer, defrag, virus scan, it completely turns off without warning, nor giving a trace of events the next time I switch it on. Apart from that, I had worries it might be my battery or power supply but I dont think it is that, I took the laptop apart cleaning fans etc. and have ordered some cpu paste as I checked to see the condition of the processor. I will post to see if re-applying the paste works. One more thing, when the heavy processes kick in, the fan starts to make a lot of noise, maybe trying to cool down the CPU? Any ideas on what else it could be and what I could do to test what is wrong?

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