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• compiling java program

  - by Hulk

  If the java program is compiled as javac t1.java a //error contents redirecedt to a,file a.But a doesnt have the error contents The contents of t1.java is as: class t1{ public static void main(String[] args) { System.out.printn("Hello World!"); // Display the string. } } So now there is a error i.e, println is written as print n ,how to capture this error in file a The command is executed from linux command prompt Thanks....

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• exception occured in java compiler

  - by user2892977

  I am a beginner in Java.I have JDK1.7.0 installed on windows 7 OS.I just wrote a sample java file where the file was not getting compiled and throws the below error. Sam.java:5: ';' expected Sample p = New Sample(); An exception has occurred in the compile r (1.7.0-ea). Please file a bug at the Java Developer Connection (http://java.su n.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you. java.lang.StringIndexOutOfBoundsException: String index out of range: 26 at java.lang.String.charAt(String.java:694) at com.sun.tools.javac.util.Log.printErrLine(Log.java:251) at com.sun.tools.javac.util.Log.writeDiagnostic(Log.java:343) at com.sun.tools.javac.util.Log.report(Log.java:315) at com.sun.tools.javac.util.AbstractLog.error(AbstractLog.java:96) at com.sun.tools.javac.parser.Parser.reportSyntaxError(Parser.java:295) at com.sun.tools.javac.parser.Parser.accept(Parser.java:326) at com.sun.tools.javac.parser.Parser.blockStatements(Parser.java:1599) at com.sun.tools.javac.parser.Parser.block(Parser.java:1500) at com.sun.tools.javac.parser.Parser.block(Parser.java:1514) at com.sun.tools.javac.parser.Parser.methodDeclaratorRest(Parser.java:25 69) at com.sun.tools.javac.parser.Parser.classOrInterfaceBodyDeclaration(Par ser.java:2518) at com.sun.tools.javac.parser.Parser.classOrInterfaceBody(Parser.java:24 45) at com.sun.tools.javac.parser.Parser.classDeclaration(Parser.java:2290) at com.sun.tools.javac.parser.Parser.classOrInterfaceOrEnumDeclaration(P arser.java:2228) at com.sun.tools.javac.parser.Parser.typeDeclaration(Parser.java:2217) at com.sun.tools.javac.parser.Parser.compilationUnit(Parser.java:2163) at com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:530) at com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:571) at com.sun.tools.javac.main.JavaCompiler.parseFiles(JavaCompiler.java:82 2) at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:748) at com.sun.tools.javac.main.Main.compile(Main.java:386) at com.sun.tools.javac.main.Main.compile(Main.java:312) at com.sun.tools.javac.main.Main.compile(Main.java:303) at com.sun.tools.javac.Main.compile(Main.java:82) at com.sun.tools.javac.Main.main(Main.java:67) Below is the code for Sam.java file class sam { public static void main(String args[]) { Sample p = New Sample(); p.show(); p.display(); } } I researched in google with the various compiler options but that did not help.I would like to understand the below errors. 1 - Sam.java:5: ';' expected 2 - An exception has occurred in the compiler (1.7.0-ea)

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• "error: Unexpected error" during maven build with Android Anotations

  - by zasadnyy

  I have problem with building project with android anotations (v.2.6) using maven, with eclipse all works just fine. Here is some project and error details: build configuration snippet from pom: <plugin> <groupId>com.jayway.maven.plugins.android.generation2</groupId> <artifactId>android-maven-plugin</artifactId> <version>3.3.2</version> <inherited>true</inherited> <configuration> <androidManifestFile>${project.basedir}/AndroidManifest.xml</androidManifestFile> <assetsDirectory>${project.basedir}/assets</assetsDirectory> <resourceDirectory>${project.basedir}/res</resourceDirectory> <nativeLibrariesDirectory>${project.basedir}/src/main/native</nativeLibrariesDirectory> <sdk> <platform>16</platform> </sdk> <undeployBeforeDeploy>true</undeployBeforeDeploy> </configuration> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>2.5</version> <inherited>true</inherited> <configuration> <source>1.6</source> <target>1.6</target> </configuration> <extensions>true</extensions> </plugin> and here is output after executing mvn clean install on parent project: [INFO] --- maven-compiler-plugin:2.5:compile (default-compile) @ native-container framework --- [INFO] Compiling 102 source files to /Users/vitaliyzasadnyy/Development/repository/androidcontainer/native-container- android/native-container-framework/target/classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] error: Unexpected error. Please report an issue on AndroidAnnotations, with the following content: java.lang.NullPointerException [ERROR] at com.googlecode.androidannotations.internal.codemodel.JCodeModel.ref(JCodeModel.java:372) at com.googlecode.androidannotations.processing.EBeansHolder.refClass(EBeansHolder.java:160) at com.googlecode.androidannotations.processing.EBeansHolder$Classes.<init>(EBeansHolder.java:50) at com.googlecode.androidannotations.processing.EBeansHolder.<init>(EBeansHolder.java:136) at com.googlecode.androidannotations.processing.ModelProcessor.process(ModelProcessor.java:40) at com.googlecode.androidannotations.AndroidAnnotationProcessor.processAnnotations(AndroidAnnotationProcessor.java:472) at com.googlecode.androidannotations.AndroidAnnotationProcessor.processThrowing(AndroidAnnotationProcessor.java:343) at com.googlecode.androidannotations.AndroidAnnotationProcessor.process(AndroidAnnotationProcessor.java:318) at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:627) at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:556) at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:701) at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:987) at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:727) at com.sun.tools.javac.main.Main.compile(Main.java:353) at com.sun.tools.javac.main.Main.compile(Main.java:279) at com.sun.tools.javac.main.Main.compile(Main.java:270) at com.sun.tools.javac.Main.compile(Main.java:87) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess0(JavacCompiler.java:559) at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess(JavacCompiler.java:534) at org.codehaus.plexus.compiler.javac.JavacCompiler.compile(JavacCompiler.java:168) at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:678) at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:128) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196) at org.apache.maven.cli.MavenCli.main(MavenCli.java:141) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352) /Users/vitaliyzasadnyy/Development/repository/androidcontainer/native-container-android/native-container-framework/src/main/java/com/nravo/framework/activity/MainScreenActivity.java:[44,-1] Unexpected error. Please report an issue on AndroidAnnotations, with the following content: java.lang.NullPointerException at com.googlecode.androidannotations.internal.codemodel.JCodeModel.ref(JCodeModel.java:372) at com.googlecode.androidannotations.processing.EBeansHolder.refClass(EBeansHolder.java:160) Does anybody faced with this problem?

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• java.lang.IllegalAccessException during Ant jwsc webservice build

  - by KevB

  Hi. I have a large application, part of which relies on a set of 3 webservices. I'm currently in the process of writing an Ant build script to build and package the application into an EAR file. When building the web sub-project for this application I use the <jwsc> task in Ant to compile the webservices. This causes an IllegalAccessException, as outlined in the stack trace below: [jwsc] warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds [jwsc] JWS: processing module weboutput [jwsc] Parsing source files [jwsc] Parsing source files [jwsc] 3 JWS files being processed for module weboutput [jwsc] JWS: C:\dev\ir\irWeb\src\webservices\DailyRun.java Validated. [jwsc] JWS: C:\dev\ir\irWeb\src\webservices\PendingRegistrationsSweep.java Validated. [jwsc] JWS: C:\dev\ir\irWeb\src\webservices\RegistrationsGoLive.java Validated. [jwsc] Compiling 6 source files to C:\DOCUME~1\KEVIN~1.BRE\LOCALS~1\Temp\_5l950r [jwsc] An exception has occurred in the compiler (1.6.0_23). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you. [jwsc] java.lang.IllegalAccessError: tried to access class com.sun.tools.javac.jvm.ClassReader$AnnotationDefaultCompleter from class com.sun.tools.javac.jvm.ClassReader [jwsc] at com.sun.tools.javac.jvm.ClassReader.attachAnnotationDefault(ClassReader.java:1128) [jwsc] at com.sun.tools.javac.jvm.ClassReader.readMemberAttr(ClassReader.java:906) [jwsc] at com.sun.tools.javac.jvm.ClassReader.readMemberAttrs(ClassReader.java:1027) [jwsc] at com.sun.tools.javac.jvm.ClassReader.readMethod(ClassReader.java:1490) [jwsc] at com.sun.tools.javac.jvm.ClassReader.readClass(ClassReader.java:1586) [jwsc] at com.sun.tools.javac.jvm.ClassReader.readClassFile(ClassReader.java:1658) [jwsc] at com.sun.tools.javac.jvm.ClassReader.fillIn(ClassReader.java:1845) [jwsc] at com.sun.tools.javac.jvm.ClassReader.complete(ClassReader.java:1777) [jwsc] at com.sun.tools.javac.code.Symbol.complete(Symbol.java:386) [jwsc] at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:763) [jwsc] at com.sun.tools.javac.jvm.ClassReader.loadClass(ClassReader.java:1951) [jwsc] at com.sun.tools.javac.comp.Resolve.loadClass(Resolve.java:842) [jwsc] at com.sun.tools.javac.comp.Resolve.findIdentInPackage(Resolve.java:1011) [jwsc] at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:1921) [jwsc] at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:1835) [jwsc] at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1522) [jwsc] at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:360) [jwsc] at com.sun.tools.javac.comp.Attr.attribType(Attr.java:390) [jwsc] at com.sun.tools.javac.comp.MemberEnter.attribImportType(MemberEnter.java:681) [jwsc] at com.sun.tools.javac.comp.MemberEnter.visitImport(MemberEnter.java:545) [jwsc] at com.sun.tools.javac.tree.JCTree$JCImport.accept(JCTree.java:495) [jwsc] at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:387) [jwsc] at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:399) [jwsc] at com.sun.tools.javac.comp.MemberEnter.visitTopLevel(MemberEnter.java:512) [jwsc] at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:446) [jwsc] at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:387) [jwsc] at com.sun.tools.javac.comp.MemberEnter.complete(MemberEnter.java:819) [jwsc] at com.sun.tools.javac.code.Symbol.complete(Symbol.java:386) [jwsc] at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:763) [jwsc] at com.sun.tools.javac.comp.Enter.complete(Enter.java:464) [jwsc] at com.sun.tools.javac.comp.Enter.main(Enter.java:442) [jwsc] at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:819) [jwsc] at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:727) [jwsc] at com.sun.tools.javac.main.Main.compile(Main.java:353) [jwsc] at com.sun.tools.javac.main.Main.compile(Main.java:279) [jwsc] at com.sun.tools.javac.main.Main.compile(Main.java:270) [jwsc] at com.sun.tools.javac.Main.compile(Main.java:69) [jwsc] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [jwsc] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.taskdefs.compilers.Javac13.execute(Javac13.java:56) [jwsc] at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1097) [jwsc] at weblogic.wsee.tools.anttasks.DelegatingJavacTask$ExposingJavac.compile(DelegatingJavacTask.java:343) [jwsc] at weblogic.wsee.tools.anttasks.DelegatingJavacTask.compile(DelegatingJavacTask.java:286) [jwsc] at weblogic.wsee.tools.anttasks.JwscTask.javac(JwscTask.java:335) [jwsc] at weblogic.wsee.tools.anttasks.JwsModule.compile(JwsModule.java:390) [jwsc] at weblogic.wsee.tools.anttasks.JwsModule.build(JwsModule.java:262) [jwsc] at weblogic.wsee.tools.anttasks.JwscTask.execute(JwscTask.java:227) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.Target.execute(Target.java:390) [jwsc] at org.apache.tools.ant.Target.performTasks(Target.java:411) [jwsc] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397) [jwsc] at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38) [jwsc] at org.apache.tools.ant.Project.executeTargets(Project.java:1249) [jwsc] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442) [jwsc] at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.Target.execute(Target.java:390) [jwsc] at org.apache.tools.ant.Target.performTasks(Target.java:411) [jwsc] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397) [jwsc] at org.apache.tools.ant.Project.executeTarget(Project.java:1366) [jwsc] at com.bea.workshop.cmdline.antlib.AntExTask.execute(AntExTask.java:406) [jwsc] at com.bea.workshop.cmdline.antlib.AntCallExTask.execute(AntCallExTask.java:118) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.Target.execute(Target.java:390) [jwsc] at org.apache.tools.ant.Target.performTasks(Target.java:411) [jwsc] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397) [jwsc] at org.apache.tools.ant.Project.executeTarget(Project.java:1366) [jwsc] at com.bea.workshop.cmdline.antlib.AntExTask.execute(AntExTask.java:406) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68) [jwsc] at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:217) [jwsc] at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:154) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68) [jwsc] at net.sf.antcontrib.logic.IfTask.execute(IfTask.java:197) [jwsc] at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:154) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:398) [jwsc] at net.sf.antcontrib.logic.ForTask.doSequentialIteration(ForTask.java:259) [jwsc] at net.sf.antcontrib.logic.ForTask.doToken(ForTask.java:268) [jwsc] at net.sf.antcontrib.logic.ForTask.doTheTasks(ForTask.java:299) [jwsc] at net.sf.antcontrib.logic.ForTask.execute(ForTask.java:244) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:398) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.Target.execute(Target.java:390) [jwsc] at org.apache.tools.ant.Target.performTasks(Target.java:411) [jwsc] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397) [jwsc] at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38) [jwsc] at org.apache.tools.ant.Project.executeTargets(Project.java:1249) [jwsc] at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442) [jwsc] at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105) [jwsc] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) [jwsc] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [jwsc] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [jwsc] at java.lang.reflect.Method.invoke(Method.java:597) [jwsc] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) [jwsc] at org.apache.tools.ant.Task.perform(Task.java:348) [jwsc] at org.apache.tools.ant.Target.execute(Target.java:390) [jwsc] at org.apache.tools.ant.Target.performTasks(Target.java:411) [jwsc] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397) [jwsc] at org.apache.tools.ant.Project.executeTarget(Project.java:1366) [jwsc] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) [jwsc] at org.apache.tools.ant.Project.executeTargets(Project.java:1249) [jwsc] at org.apache.tools.ant.Main.runBuild(Main.java:801) [jwsc] at org.apache.tools.ant.Main.startAnt(Main.java:218) [jwsc] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280) [jwsc] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109) [AntUtil.deleteDir] Deleting directory C:\DOCUME~1\KEVIN~1.BRE\LOCALS~1\Temp_5l950r The Ant target that uses the <jwsc> task is this: <target name="webservice.build" depends="init,generated.root.init"> <path id="jwsc.srcpath"> <path path="${java.sourcepath}" /> <pathelement path="build/assembly/.src" /> </path> <taskdef name="jwsc" classname="weblogic.wsee.tools.anttasks.JwscTask" > <classpath> <path refid="weblogic.jar.classpath" /> </classpath> </taskdef> <property name="jwsc.module.root" value="${project.dir}/build/weboutput"/> <property name="jwsc.contextpath" value="irWeb"/> <property name="jwsc.srcpath.prop" refid="jwsc.srcpath"/> <path id="jwsc.classpath"> <path refid="weblogic.jar.classpath" /> <path refid="java.classpath" /> <pathelement path="${java.outpath}" /> </path> <jwsc destdir="${project.dir}/build" classpathref="jwsc.classpath"> <module name="weboutput" explode="true" contextPath="${jwsc.contextpath}" > <jwsFileSet srcdir="${webservices.dir}" type="JAXRPC"> <include name="**/*.java"/> </jwsFileSet> <descriptor file="${jwsc.module.root}/WEB-INF/web.xml" /> <descriptor file="${jwsc.module.root}/WEB-INF/weblogic.xml" /> </module> </jwsc> </target> I have no idea what could be causing the compiler to throw this error at build time, and a day of google searching has turned up other instances of this error caused by different triggers, and solutions for those propblems didn't work for me. I also found a single report on the Oracle forums that seemed to be a carbon copy of this issue, but there were no replies. The application is written in Weblogic Workshop 10, runs on Weblogic Server 10.3, and uses Beehive / NetUI. Not sure if that would make a difference or not though. The build scripts were automatically generated by Weblogic Workshop, with some tweaks and fixes made to other aspects of the files by myself to fix other compatability issues. I am using Java 1.6.0_23 from Sun, and Ant 1.8.1 Any help or advice would be greatly appreciated.

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• How to add debug information when compiling with Java's Compiler API

  - by Henrik Paul

  What do I need to do to control whether my classes compiled with a JavaCompiler will include debug information or not? I'm thinking it has something to do with the getTask()-method's options parameter, but I can't find any references on whether that assumption is correct to start with, and if so, what is the correct way to control that?

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• NullPointerException in com.sun.tools.jxc.SchemaGenTask

  - by David Collie

  Given this ant script: <?xml version="1.0" encoding="UTF-8"?> <project name="projectname" default="generate-schema" basedir="."> <taskdef name="schemagen" classname="com.sun.tools.jxc.SchemaGenTask"> <classpath> <fileset dir="../BuildJars/lib" includes="*.jar" /> </classpath> </taskdef> <target name="generate-schema"> <schemagen srcdir="src/gb/informaticasystems/messages" destdir="schema"> <schema namespace="http://www.informatica-systems.co.uk/aquarius/messages/1.0" file="messages-1.0.xsd" /> </schemagen> </target> </project> I am getting this error: Buildfile: C:\Users\davidcollie\workspace\aquarius-feature\AquariusServerLibrary\schemagen.xml generate-schema: [schemagen] Generating schema from 4 source files [schemagen] Problem encountered during annotation processing; [schemagen] see stacktrace below for more information. [schemagen] java.lang.NullPointerException [schemagen] at com.sun.tools.jxc.model.nav.APTNavigator$2.onDeclaredType(APTNavigator.java:428) [schemagen] at com.sun.tools.jxc.model.nav.APTNavigator$2.onClassType(APTNavigator.java:402) [schemagen] at com.sun.tools.jxc.model.nav.APTNavigator$2.onClassType(APTNavigator.java:456) [schemagen] at com.sun.istack.tools.APTTypeVisitor.apply(APTTypeVisitor.java:27) [schemagen] at com.sun.tools.jxc.model.nav.APTNavigator.getBaseClass(APTNavigator.java:109) [schemagen] at com.sun.tools.jxc.model.nav.APTNavigator.getBaseClass(APTNavigator.java:85) [schemagen] at com.sun.xml.bind.v2.model.impl.PropertyInfoImpl.getIndividualType(PropertyInfoImpl.java:190) [schemagen] at com.sun.xml.bind.v2.model.impl.PropertyInfoImpl.<init>(PropertyInfoImpl.java:132) [schemagen] at com.sun.xml.bind.v2.model.impl.MapPropertyInfoImpl.<init>(MapPropertyInfoImpl.java:67) [schemagen] at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.createMapProperty(ClassInfoImpl.java:917) [schemagen] at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.addProperty(ClassInfoImpl.java:874) [schemagen] at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.findGetterSetterProperties(ClassInfoImpl.java:993) [schemagen] at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.getProperties(ClassInfoImpl.java:303) [schemagen] at com.sun.xml.bind.v2.model.impl.ModelBuilder.getClassInfo(ModelBuilder.java:243) [schemagen] at com.sun.xml.bind.v2.model.impl.ModelBuilder.getClassInfo(ModelBuilder.java:209) [schemagen] at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:315) [schemagen] at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:330) [schemagen] at com.sun.tools.xjc.api.impl.j2s.JavaCompilerImpl.bind(JavaCompilerImpl.java:90) [schemagen] at com.sun.tools.jxc.apt.SchemaGenerator$1.process(SchemaGenerator.java:115) [schemagen] at com.sun.mirror.apt.AnnotationProcessors$CompositeAnnotationProcessor.process(AnnotationProcessors.java:60) [schemagen] at com.sun.tools.apt.comp.Apt.main(Apt.java:454) [schemagen] at com.sun.tools.apt.main.JavaCompiler.compile(JavaCompiler.java:258) [schemagen] at com.sun.tools.apt.main.Main.compile(Main.java:1102) [schemagen] at com.sun.tools.apt.main.Main.compile(Main.java:964) [schemagen] at com.sun.tools.apt.Main.processing(Main.java:95) [schemagen] at com.sun.tools.apt.Main.process(Main.java:85) [schemagen] at com.sun.tools.apt.Main.process(Main.java:67) [schemagen] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [schemagen] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [schemagen] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [schemagen] at java.lang.reflect.Method.invoke(Method.java:597) [schemagen] at com.sun.tools.jxc.AptBasedTask$InternalAptAdapter.execute(AptBasedTask.java:97) [schemagen] at com.sun.tools.jxc.AptBasedTask.compile(AptBasedTask.java:144) [schemagen] at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:820) [schemagen] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288) [schemagen] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [schemagen] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [schemagen] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [schemagen] at java.lang.reflect.Method.invoke(Method.java:597) [schemagen] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105) [schemagen] at org.apache.tools.ant.Task.perform(Task.java:348) [schemagen] at org.apache.tools.ant.Target.execute(Target.java:357) [schemagen] at org.apache.tools.ant.Target.performTasks(Target.java:385) [schemagen] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329) [schemagen] at org.apache.tools.ant.Project.executeTarget(Project.java:1298) [schemagen] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) [schemagen] at org.eclipse.ant.internal.ui.antsupport.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32) [schemagen] at org.apache.tools.ant.Project.executeTargets(Project.java:1181) [schemagen] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:423) [schemagen] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:137) BUILD FAILED C:\Users\davidcollie\workspace\aquarius-feature\AquariusServerLibrary\schemagen.xml:11: schema generation failed Total time: 1 second Any ideas?

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• Null Pointer Exception while using Java Compiler API

  - by java_geek

  MyClass.java: package test; public class MyClass { public void myMethod(){ System.out.println("My Method Called"); } } Listing for SimpleCompileTest.java that compiles the MyClass.java file. SimpleCompileTest.java: package test; import javax.tools.*; public class SimpleCompileTest { public static void main(String[] args) { String fileToCompile = "test" + java.io.File.separator +"MyClass.java"; JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); int compilationResult = compiler.run(null, null, null, fileToCompile); if(compilationResult == 0){ System.out.println("Compilation is successful"); }else{ System.out.println("Compilation Failed"); } } } I am executing the SimpleCompileTest class and getting a NullPointerException. The ToolProvider.getSystemJavaCompiler() is returning null. Can someone tell me what is wrong with the code

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