Hi, I recently started using a package resolver for some of my project's dependencies. It appears to work well for the most part except that at the end of the build, I occasionally see the following exceptions output to my console. It is of note that when I see this error output, the build has still reported as completing successfully.
Exception in thread "Thread-16" java.lang.NullPointerException at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:303) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.plugins.resolver.packager.PackagerResolver.clearCache(PackagerResolver.java:82) at org.apache.ivy.plugins.resolver.packager.PackagerResolver$1.run(PackagerResolver.java:67) Exception in thread "Thread-17" java.lang.NullPointerException at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:303) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.plugins.resolver.packager.PackagerResolver.clearCache(PackagerResolver.java:82) at org.apache.ivy.plugins.resolver.packager.PackagerResolver$1.run(PackagerResolver.java:67) Exception in thread "Thread-2" java.lang.NullPointerException at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:303) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.plugins.resolver.packager.PackagerResolver.clearCache(PackagerResolver.java:82) at org.apache.ivy.plugins.resolver.packager.PackagerResolver$1.run(PackagerResolver.java:67) Exception in thread "Thread-10" java.lang.NullPointerException at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:303) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.plugins.resolver.packager.PackagerResolver.clearCache(PackagerResolver.java:82) at org.apache.ivy.plugins.resolver.packager.PackagerResolver$1.run(PackagerResolver.java:67) Exception in thread "Thread-4" java.lang.NullPointerException at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:303) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.util.FileUtil.forceDelete(FileUtil.java:304) at org.apache.ivy.plugins.resolver.packager.PackagerCacheEntry.cleanup(PackagerCacheEntry.java:192) at org.apache.ivy.plugins.resolver.packager.PackagerResolver.clearCache(PackagerResolver.java:78) at org.apache.ivy.plugins.resolver.packager.PackagerResolver$1.run(PackagerResolver.java:67) Has anyone seen this before? Is it something that I should be worried about, or can I safely ignore it since the build appears to be working properly in spite of that. Thanks, -Jonathan