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EM12c, 13c: Weblogic Domain Discovery Fails or Status Of Weblogic Targets Shown Down with Error - PKIX path building failed (Doc ID 1988418.1)

Last updated on OCTOBER 25, 2021

Applies to:

Enterprise Manager for Fusion Middleware - Version 12.1.0.2.0 and later
Information in this document applies to any platform.

Symptoms

Weblogic domain discovery fails with the following error message in EM Console:

Failed to discover WebLogic: java.lang.RuntimeException: java.lang.RuntimeException: java.net.ConnectException t3s://<HostName.Domain>:<Port>: Destination unreachable; nested exception is: javax.net.ssl.SSLHandshakeException: com.bm.jsse2.util.g: PKIX path building failed: java.security.cert.CertPathBuilderException: PKIXCertPathBuilderImpl could not build a valid CertPath.; internal cause is: java.security.cert.CertPathValidatorException: The certificate issued by CN=Network Solutions Certificate Authority, O=Network Solutions L.L.C., C=US is not trusted; internal cause is: java.security.cert.CertPathValidatorException: Certificate chaining error; No available router to destination. No targets discovered. Check host, port, credentials, and protocol and be sure the server is running. This UI cannot be used to discover WebLogic version 7.x to 8.x.

Or 

Status of Weblogic Targets shown down in EM Console and Agent log(gcagent_sdk.trc) reveals below error:

IOException: cannot communicate to Target with serviceURL=service:jmx:t3s://<HOST>:<PORT>/jndi/weblogic.management.mbeanservers.runtime for metric weblogic_j2eeserver:Response_internal:: java.rmi.ConnectException: Destination unreachable; nested exception is:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; No available router to destination Cause: java.rmi.ConnectException: Destination unreachable; nested exception is:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; No available router to destination
java.io.IOException: java.rmi.ConnectException: Destination unreachable; nested exception is:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; No available router to destination
at oracle.sysman.emSDK.agent.fetchlet.jmx.JMXExceptionUtil.filterWLSIOException(JMXExceptionUtil.java:76)
at oracle.sysman.gcagent.addon.fetchlet.jmx.JMXContext.connectWithTimeOut(JMXContext.java:1063)
at oracle.sysman.gcagent.addon.fetchlet.jmx.JMXContext.createJMXConnectorInCache(JMXContext.java:1091)
at oracle.sysman.gcagent.addon.fetchlet.jmx.JMXContext.connectJVM(JMXContext.java:951)
at oracle.sysman.gcagent.addon.fetchlet.jmx.JMXContext.connect(JMXContext.java:804)
at oracle.sysman.gcagent.addon.fetchlet.jmx.JMXFetchlet.getMetric(JMXFetchlet.java:151)
at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)

 

Cause

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In this Document
Symptoms
Cause
Solution


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