javax/xml/jaxp/unittest/common/TransformationWarningsTest.java and ValidationWarningsTest.java failed intermittently without any error message

This test failed twice, once is on solaris-sparc, the other is on windows64, with the following message:
config common.TransformationWarningsTest.setup(): success
0: waiting for barrier
9: waiting for barrier
8: waiting for barrier
7: waiting for barrier
6: waiting for barrier
5: waiting for barrier
4: waiting for barrier
3: waiting for barrier
2: waiting for barrier
1: waiting for barrier
1: starting iterations
2: starting iterations
3: starting iterations
4: starting iterations
5: starting iterations
7: starting iterations
6: starting iterations
9: starting iterations
8: starting iterations
0: starting iterations
----------System.err:(0/0)----------
----------rerun:(21/2716)*----------
PATH='C:\\cygwin\\bin;C:\\ProgramData\\Oracle\\Java\\javapath;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0;C:\\Program Files\\Puppet Labs\\Puppet\\bin;C:\\Program Files (x86)\\Windows Kits\\8.1\\Windows Performance Toolkit;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn' \\
SystemDrive=C: \\
SystemRoot='C:\\Windows' \\
TEMP='C:\\Temp' \\
buildid=BUILD_ID \\
windir='C:\\Windows' \\
CLASSPATH='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\mach5\\jdkbuildwrapper\\.data\\unpacked\\jpg\\infra\\builddeps\\jtreg-4.1\\1.3\\jtreg\\lib\\javatest.jar;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\mach5\\jdkbuildwrapper\\.data\\unpacked\\jpg\\infra\\builddeps\\jtreg-4.1\\1.3\\jtreg\\lib\\jtreg.jar;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jaxp_test\\classes\\4\\javax\\xml\\jaxp\\unittest;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jaxp\\test\\javax\\xml\\jaxp\\unittest;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jaxp_test\\classes\\4\\javax\\xml\\jaxp\\libs;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\mach5\\jdkbuildwrapper\\.data\\unpacked\\jpg\\infra\\builddeps\\jtreg-4.1\\1.3\\jtreg\\lib\\testng.jar' \\
    'C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\build\\jdk\\bin\\java' \\
        -Dtest.src='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jaxp\\test\\javax\\xml\\jaxp\\unittest' \\
        -Dtest.src.path='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jaxp\\test\\javax\\xml\\jaxp\\unittest;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\jaxp\\test\\javax\\xml\\jaxp\\libs' \\
        -Dtest.classes='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jaxp_test\\classes\\4\\javax\\xml\\jaxp\\unittest' \\
        -Dtest.class.path='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jaxp_test\\classes\\4\\javax\\xml\\jaxp\\unittest;C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jaxp_test\\classes\\4\\javax\\xml\\jaxp\\libs' \\
        -Dtest.vm.opts='-ea -esa -Xmx512m' \\
        -Dtest.tool.vm.opts='-J-ea -J-esa -J-Xmx512m' \\
        -Dtest.compiler.opts= \\
        -Dtest.java.opts= \\
        -Dtest.jdk='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\build\\jdk' \\
        -Dcompile.jdk='C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\build\\jdk' \\
        -Dtest.timeout.factor=4.0 \\
        -ea -esa -Xmx512m \\
        com.sun.javatest.regtest.agent.MainWrapper 'C:\\jenkins\\workspace\\9-dev-tier2-windows-x64\\JTwork\\jaxp_test\\classes\\4\\javax\\xml\\jaxp\\unittest\\common.TransformationWarningsTest.jta' javax/xml/jaxp/unittest/common/TransformationWarningsTest.java common.TransformationWarningsTest
result: Failed. Execution failed: Execution failed


test result: Failed. Execution failed: Execution failed


In fact, there is no available error information, just has "Execution failed", as well as similar test javax/xml/jaxp/unittest/common/ValidationWarningsTest.java failed once.