プロジェクトをmavenでコンパイルしたいのですが、この奇妙な例外があります。たくさんグーグルで検索しましたが、何も見つかりませんでした。私のjdkはsun jdk 7で、これは私のmavenコンパイラプラグイン構成です
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<compilerArgument>-Xlint:all</compilerArgument>
<showWarnings>true</showWarnings>
<showDeprecation>true</showDeprecation>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
<debug>true</debug>
<optimize>true</optimize>
</configuration>
</plugin>
そして例外
[INFO] Compilation failure
Failure executing javac, but could not parse the error:
An exception has occurred in the compiler (1.7.0). 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.
java.lang.AssertionError: java.lang.NullPointerException
at com.sun.tools.javac.code.Symbol$VarSymbol.getConstValue(Symbol.java:1005)
at com.sun.tools.javac.comp.Attr.checkInit(Attr.java:2627)
at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:2285)
at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1677)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:431)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:418)
at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:449)
at com.sun.tools.javac.comp.Annotate.enterAttributeValue(Annotate.java:203)
at com.sun.tools.javac.comp.Annotate.enterAnnotation(Annotate.java:181)
at com.sun.tools.javac.comp.Annotate.enterAttributeValue(Annotate.java:229)
at com.sun.tools.javac.comp.Annotate.enterAttributeValue(Annotate.java:243)
at com.sun.tools.javac.comp.Annotate.enterAnnotation(Annotate.java:181)
at com.sun.tools.javac.comp.MemberEnter.enterAnnotations(MemberEnter.java:778)
at com.sun.tools.javac.comp.MemberEnter.access$300(MemberEnter.java:56)
at com.sun.tools.javac.comp.MemberEnter$5.enterAnnotation(MemberEnter.java:746)
at com.sun.tools.javac.comp.Annotate.flush(Annotate.java:109)
at com.sun.tools.javac.comp.Annotate.enterDone(Annotate.java:101)
at com.sun.tools.javac.comp.Enter.complete(Enter.java:510)
at com.sun.tools.javac.comp.Enter.main(Enter.java:469)
at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:929)
at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:824)
at com.sun.tools.javac.main.Main.compile(Main.java:417)
at com.sun.tools.javac.main.Main.compile(Main.java:331)
at com.sun.tools.javac.main.Main.compile(Main.java:322)
at com.sun.tools.javac.Main.compile(Main.java:94)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess(JavacCompiler.java:420)
at org.codehaus.plexus.compiler.javac.JavacCompiler.compile(JavacCompiler.java:141)
at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:493)
at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114)
at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: java.lang.NullPointerException
at com.sun.tools.javac.code.Lint$AugmentVisitor.augment(Lint.java:290)
at com.sun.tools.javac.code.Lint.augment(Lint.java:82)
at com.sun.tools.javac.comp.Attr.attribLazyConstantValue(Attr.java:597)
at com.sun.tools.javac.code.Symbol$VarSymbol$1.call(Symbol.java:971)
at com.sun.tools.javac.code.Symbol$VarSymbol.getConstValue(Symbol.java:1003)
... 51 more