Attaching the bt full backtrace provided by the Huehner to the IcedTea bug.
It indicates that the bug is triggered in the file hotspot/src/share/vm/classfile/classLoaderDependencies.cpp:43 which is exclusive to jdk7u [1] and was introduced by the backport of "8189123: More consistent classloading" [2] to jdk7u [3]. [1] http://hg.openjdk.java.net/jdk7u/jdk7u/hotspot/file/327ea6f9647c/src/share/vm/classfile/classLoaderDependencies.cpp [2] http://hg.openjdk.java.net/jdk/jdk/rev/0a8a11767c3d [3] http://hg.openjdk.java.net/jdk7u/jdk7u/hotspot/rev/594f46270048 ** Attachment added: "gdb-backtrace-bt-full.txt" https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1778930/+attachment/5157155/+files/gdb-backtrace-bt-full.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1778930 Title: JVM crash with SIGSEGV as tomcat start with 7u181 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1778930/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs