Test case name: java/util/logging/TestLoggerWeakRefLeak.java
This happened in recent Mach5 job jdk-jdk.7822

Please refer to following test output:
----------System.err:(19/1753)----------
java.io.IOException: well-known file /var/folders/xm/5dz4041x0_77y53y0nwsqhmh0000mv/T/.java_pid58551 is not secure: file's group should be the current group (which is -1) but the group is 0
at jdk.attach/sun.tools.attach.VirtualMachineImpl.checkPermissions(Native Method)
at jdk.attach/sun.tools.attach.VirtualMachineImpl.<init>(VirtualMachineImpl.java:108)
at jdk.attach/sun.tools.attach.AttachProviderImpl.attachVirtualMachine(AttachProviderImpl.java:58)
at jdk.attach/com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:207)
at TestLoggerWeakRefLeak.getInstanceCountFromHeapHisto(TestLoggerWeakRefLeak.java:132)
at TestLoggerWeakRefLeak.testIfLeaking(TestLoggerWeakRefLeak.java:82)
at TestLoggerWeakRefLeak.main(TestLoggerWeakRefLeak.java:59)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:841)

JavaTest Message: Test threw exception: java.io.IOException: well-known file /var/folders/xm/5dz4041x0_77y53y0nwsqhmh0000mv/T/.java_pid58551 is not secure: file's group should be the current group (which is -1) but the group is 0
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.io.IOException: well-known file /var/folders/xm/5dz4041x0_77y53y0nwsqhmh0000mv/T/.java_pid58551 is not secure: file's group should be the current group (which is -1) but the group is 0