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  • Unexpected internal compiler error - java.lang.IncompatibleClassChangeError: class com.google.gwt.dev.javac.BytecodeSignatureMaker$CompileDependencyVisitor has interface org.objectweb.asm.ClassVisitor as super class

    Hi,

    I am using Eclipse Neon, with GWT 2.8.
    I am new to smartGwt. I have imported one of the sample project "builtinds". After importing i tried to compile that time it was showing "builtinds is not a GWT project" then configured GWT2.8 to the build path. Now i able able to start GWT compilation but I receive the below error and pop up window saying "GWT compilation failed".


    Jun 05, 2018 1:34:41 PM java.util.prefs.WindowsPreferences <init>
    WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
    Compiling module com.smartgwt.sample.BuiltInDS
    [ERROR] Unexpected internal compiler error
    java.lang.IncompatibleClassChangeError: class com.google.gwt.dev.javac.BytecodeSignatureMaker$CompileDependencyVisitor has interface org.objectweb.asm.ClassVisitor as super class
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$100(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at com.google.gwt.dev.javac.BytecodeSignatureMaker.visitCompileDependenciesInBytecode(BytecodeSignatureMaker.java:227)
    at com.google.gwt.dev.javac.BytecodeSignatureMaker.getCompileDependencySignature(BytecodeSignatureMaker.java:209)
    at com.google.gwt.dev.javac.CompiledClass.getSignatureHash(CompiledClass.java:165)
    at com.google.gwt.dev.javac.Dependencies$Ref.<init>(Dependencies.java:41)
    at com.google.gwt.dev.javac.Dependencies$Ref.<init>(Dependencies.java:36)
    at com.google.gwt.dev.javac.Dependencies.resolve(Dependencies.java:100)
    at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:352)
    at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:548)
    at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:479)
    at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:465)
    at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:423)
    at com.google.gwt.dev.Precompile.precompile(Precompile.java:222)
    at com.google.gwt.dev.Precompile.precompile(Precompile.java:202)
    at com.google.gwt.dev.Precompile.precompile(Precompile.java:143)
    at com.google.gwt.dev.Compiler.compile(Compiler.java:204)
    at com.google.gwt.dev.Compiler.compile(Compiler.java:155)
    at com.google.gwt.dev.Compiler.compile(Compiler.java:144)
    at com.google.gwt.dev.Compiler$1.run(Compiler.java:118)
    at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55)
    at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50)
    at com.google.gwt.dev.Compiler.main(Compiler.java:125)

    I have added SGWTPOWER_HOME in my classpath variables, as I am using SmartGwtPower3.1p.

    Please help me out with this..
    Last edited by geetubhagya; 5th Jun 2018, 00:13.

  • #2
    Hi,

    you should definitly be using a newer version of SmartGWT.
    Aside of this, this sounds like this issue (see main thread and the threads I linked).

    Best regards
    Blama

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