Legacy layer issues with Linux

[bdezonia]

Running Ubuntu 11.10 with OpenJDK 1.6.0_23. At launch time exception is thrown (below). Any operation that requires the legacy layer is then inoperable.

[ERROR] Invalid service: imagej.legacy.LegacyService
java.lang.reflect.InvocationTargetException

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at imagej.ServiceHelper.createService(ServiceHelper.java:184)
at imagej.ServiceHelper.createExactService(ServiceHelper.java:148)
at imagej.ServiceHelper.loadService(ServiceHelper.java:130)
at imagej.ServiceHelper.loadServices(ServiceHelper.java:108)
at imagej.ImageJ.createContext(ImageJ.java:85)
at imagej.ImageJ.createContext(ImageJ.java:57)
at imagej.Main.main(Main.java:51)

Caused by: java.lang.NoClassDefFoundError: Lcom/sun/tools/javac/Main;

at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
at java.lang.Class.getDeclaredField(Class.java:1897)
at imagej.util.ClassUtils.getField(ClassUtils.java:214)
at imagej.legacy.OptionsSynchronizer.setIJ1CompilerTarget(OptionsSynchronizer.java:605)
at imagej.legacy.OptionsSynchronizer.compilerOptions(OptionsSynchronizer.java:195)
at imagej.legacy.OptionsSynchronizer.updateIJ1SettingsFromIJ2(OptionsSynchronizer.java:97)
at imagej.legacy.LegacyService.updateIJ1Settings(LegacyService.java:196)
at imagej.legacy.LegacyService.<init>(LegacyService.java:138)
... 11 more

Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.Main

at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
... 20 more

[bdezonia]

Perhaps we need to avoid OpenJDK. But I cannot find such a recommendation on our webserver.

[bdezonia]

Installed Sun's Java and get similar (same?) errors.

[bdezonia]

Orignal stack trace is from my home laptop's Linux OS Ubuntu 11.10 install using OpenJDK.

Here is the stack trace on my virtual Linux OS Ubuntu 11.10 install using Sun's java:

[ERROR] Invalid service: imagej.legacy.LegacyService
java.lang.reflect.InvocationTargetException

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at imagej.ServiceHelper.createService(ServiceHelper.java:184)
at imagej.ServiceHelper.createExactService(ServiceHelper.java:148)
at imagej.ServiceHelper.loadService(ServiceHelper.java:130)
at imagej.ServiceHelper.loadServices(ServiceHelper.java:108)
at imagej.ImageJ.createContext(ImageJ.java:85)
at imagej.ImageJ.createContext(ImageJ.java:57)
at imagej.Main.main(Main.java:51)

Caused by: java.lang.NoClassDefFoundError: Lcom/sun/tools/javac/Main;

at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredField(Unknown Source)
at imagej.util.ClassUtils.getField(ClassUtils.java:214)
at imagej.legacy.OptionsSynchronizer.setIJ1CompilerTarget(OptionsSynchronizer.java:605)
at imagej.legacy.OptionsSynchronizer.compilerOptions(OptionsSynchronizer.java:195)
at imagej.legacy.OptionsSynchronizer.updateIJ1SettingsFromIJ2(OptionsSynchronizer.java:97)
at imagej.legacy.LegacyService.updateIJ1Settings(LegacyService.java:196)
at imagej.legacy.LegacyService.<init>(LegacyService.java:138)
... 11 more

Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.Main

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)
... 20 more

[bdezonia]

Johannes pointed out that this has to do with an unconfigured Java compiler. In r4931 updated OptionsSynchronizer to safely handle when class loading of the compiler fails.