java/lang/ProcessBuilder/Basic.java failed on Assertion

----------System.err:(40/2184)----------
java.lang.NumberFormatException: For input string: "tasks"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:581)
at java.lang.Integer.valueOf(Integer.java:912)
at Basic.checkProcessPid(Basic.java:1143)
at Basic.realMain(Basic.java:1192)
at Basic.main(Basic.java:2558)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:745)
java.lang.Exception: Stack trace
at java.lang.Thread.dumpStack(Thread.java:1333)
at Basic.fail(Basic.java:2548)
at Basic.fail(Basic.java:2549)
at Basic.equal(Basic.java:2555)
at Basic.checkProcessPid(Basic.java:1165)
at Basic.realMain(Basic.java:1192)
at Basic.main(Basic.java:2558)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:745)
java.lang.AssertionError: Some tests failed
at Basic.main(Basic.java:2560)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:745)

JavaTest Message: Test threw exception: java.lang.AssertionError: Some tests failed
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.AssertionError: Some tests failed

java version "1.9.0-internal-fastdebug"
Java(TM) SE Runtime Environment (build 1.9.0-internal-fastdebug-20141217001401.cphillim.jdk9-max-traceEx-b00)
Java HotSpot(TM) Client VM (build 1.9.0-internal-20141217001401.cphillim.jdk9-max-traceEx-b00, mixed mode, sharing)


RULE java/lang/ProcessBuilder/Basic.java Exception exception: java.lang.AssertionError: Some tests failed