jdk-11.0.17+1-190 CI Job task failed with below error:
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java.lang.NullPointerException
at java.base/sun.security.ssl.SSLSocketImpl.duplexCloseOutput(SSLSocketImpl.java:569)
at java.base/sun.security.ssl.SSLSocketImpl.close(SSLSocketImpl.java:503)
at BaseLdapServer.closeSilently(BaseLdapServer.java:331)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
at BaseLdapServer.close(BaseLdapServer.java:289)
at LdapCBPropertiesTest.<init>(LdapCBPropertiesTest.java:105)
at LdapCBPropertiesTest.main(LdapCBPropertiesTest.java:89)
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:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:834)

Testcase input values: com/sun/jndi/ldap/LdapCBPropertiesTest.d/main.5.jta false true jdk.internal.sasl.tlschannelbinding value
result: Failed. Execution failed: `main' threw exception: java.lang.NullPointerException

Note: This issue is not happening in subsequent build, need to investigate more on this.