I'm having problems compiling Mkgmap, maybe someone here is able to help
with that:
Before compiling I removed all java stuff, then installed sun-java6-jdk
on my ubuntu installation. Then downloaded Mkgmap from SVN, ran 'ant
dist' as per Mkgmap wiki page and got the following error:
> ant dist
Buildfile: build.xml
prepare:
compile:
[javac] Compiling 317 source files to
/home/lambertus/garmin/test/mkgmap/build/classes
[javac] failed to read ecj.jar (reconfigure with --with-ecj-jar):
/usr/share/java/eclipse-ecj.jar
[javac] failed to load org.eclipse.jdt.internal.compiler.batch.Main
from ecj.jar: /usr/share/java/eclipse-ecj.jar
[javac] java.lang.ClassNotFoundException:
org.eclipse.jdt.internal.compiler.batch.Main not found in
java.net.URLClassLoader{urls=[file:/usr/share/java/eclipse-ecj.jar],
parent=gnu.gcj.runtime.SystemClassLoader{urls=[file:/usr/share/ant/lib/ant-launcher.jar,file:/usr/share/java/xmlParserAPIs.jar,file:/usr/share/java/xercesImpl.jar],
parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}}
[javac] at java.net.URLClassLoader.findClass(libgcj.so.10)
[javac] at java.lang.ClassLoader.loadClass(libgcj.so.10)
[javac] at java.lang.ClassLoader.loadClass(libgcj.so.10)
[javac] at com.sun.tools.javac.Main.<clinit>(Main.java:91)
[javac] at java.lang.Class.initializeClass(libgcj.so.10)
[javac] at java.lang.Class.forName(libgcj.so.10)
[javac] at
org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.doesModernCompilerExist(CompilerAdapterFactory.java:145)
[javac] at
org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCompiler(CompilerAdapterFactory.java:100)
[javac] at
org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1058)
[javac] at
org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:882)
[javac] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[javac] at java.lang.reflect.Method.invoke(libgcj.so.10)
[javac] at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[javac] at org.apache.tools.ant.Task.perform(Task.java:348)
[javac] at org.apache.tools.ant.Target.execute(Target.java:357)
[javac] at org.apache.tools.ant.Target.performTasks(Target.java:385)
[javac] at
org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
[javac] at
org.apache.tools.ant.Project.executeTarget(Project.java:1306)
[javac] at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
[javac] at
org.apache.tools.ant.Project.executeTargets(Project.java:1189)
[javac] at org.apache.tools.ant.Main.runBuild(Main.java:758)
[javac] at org.apache.tools.ant.Main.startAnt(Main.java:217)
[javac] at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
[javac] at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
BUILD FAILED
java.lang.ExceptionInInitializerError
at java.lang.Class.initializeClass(libgcj.so.10)
at java.lang.Class.forName(libgcj.so.10)
at
org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.doesModernCompilerExist(CompilerAdapterFactory.java:145)
at
org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCompiler(CompilerAdapterFactory.java:100)
at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1058)
at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:882)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at java.lang.reflect.Method.invoke(libgcj.so.10)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
at org.apache.tools.ant.Main.runBuild(Main.java:758)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
Caused by: java.lang.NullPointerException
at com.sun.tools.javac.Main.<clinit>(Main.java:106)
at java.lang.Class.initializeClass(libgcj.so.10)
...19 more
Total time: 1 second
That error suggests that Eclipse needed to be installed, so I installed
it. Unfortunately compiling after that resulted in the same error again.
The file ecj.jar is not referenced in the build.xml, 'ant clean dist'
resulted in the same error. The compiler used is: javac 1.6.0_15
Any ideas?
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