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Created attachment 278395 [details] zip with demo.log (stacktrace), compile.DE_demo_Feature.sdk.cml (generated buildskript), buildplugins(ant wrapper file) We use in batch the eclipse.buildScript ant task with flattenDependencies="true" parallelCompilation="true" properties to generate the compile script for parallel compilation. This works till eclipse 4.7.3 well. When using eclipse 4.9 and later we get an error when using the generated ant skript for compiling by calling the eclipsant runner -application org.eclipse.ant.core.antRunner -buildfile /tmp/demo/Pluginbuild/buildplugins.xml docompile -logger org.apache.tools.ant.XmlLogger -logfile /tmp/demo/Pluginbuild/logs/docompile.xml Error: java.lang.reflect.InvocationTargetException caused by java.util.ConcurrentModificationException at org.apache.tools.ant.ProjectHelper.addLocationToBuildException(ProjectHelper.java:571) caused by java.util.ConcurrentModificationException at org.apache.tools.ant.taskdefs.Parallel.spinThreads(Parallel.java:395) Attached find the complete log, the called ant wrapper file and the generated ant skript The error can be reproduced on 4.9, 4.10,4.12 on linux and windows with our sourcecode which we can not publish here. when running the identical script with eclipse 4.7.3 all works fine.
This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant. -- The automated Eclipse Genie.
