runtime/NMT/JcmdScale.java failed with: java.lang.RuntimeException: 'Incorrect scale value: (null)' missing from stdout/stderr on AIX

----------System.err:(18/876)----------
 stdout: [14024992:
Incorrect scale value:
];
 stderr: []
 exitValue = 0

java.lang.RuntimeException: 'Incorrect scale value: (null)' missing from stdout/stderr

        at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:221)
        at JcmdScale.main(JcmdScale.java:83)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
        at java.base/java.lang.Thread.run(Thread.java:1570)