java.lang.NullPointerException: This exception has no message.

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via JDK Bug System by Webbug Group, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at com.sun.tools.javac.comp.Check.isCanonical(Check.java:2753)
at com.sun.tools.javac.comp.Check.checkCanonical(Check.java:2745)
at com.sun.tools.javac.comp.MemberEnter.visitImport(MemberEnter.java:559)
at com.sun.tools.javac.tree.JCTree$JCImport.accept(JCTree.java:513)
at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:401)
at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:413)
at com.sun.tools.javac.comp.MemberEnter.visitTopLevel(MemberEnter.java:525)
at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:459)
at com.sun.tools.javac.comp.MemberEnter.memberEnter(MemberEnter.java:401)
at com.sun.tools.javac.comp.MemberEnter.complete(MemberEnter.java:876)
at com.sun.tools.javac.code.Symbol.complete(Symbol.java:421)
at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:821)
at com.sun.tools.javac.comp.Enter.complete(Enter.java:491)
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:439)
at com.sun.tools.javac.main.Main.compile(Main.java:353)
at com.sun.tools.javac.main.Main.compile(Main.java:342)
at com.sun.tools.javac.main.Main.compile(Main.java:333)
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:606)
at org.codehaus.plexus.compiler.javac.JavacCompiler.compileInProcess(JavacCompiler.java:554)
at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:605)
at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:128)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
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:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
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:606)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)

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