HTTPS communication is not working

[manish2aug]

Hi,

The client application is not working for HTTPS communication. I am using it as a standalone system but cannot make a connection to BPM, following is the error I am getting

HTTP call: https://mmcenvdevbpm.metmom.mmih.biz:9443/rest/bpm/wle/v1/task/300002
Starting the HTTP client
HTTP response:
Response Headers:
End Response headers
Response status: The connector failed to complete the communication with the server
Response status code: 1001
Response phrase: Communication Error
Response: Communication Error (1001) - The connector failed to complete the communication with the server

Exception info:
Exception message: com.ibm.jsse2.util.h: 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=mmcenvdevbpm.metmom.mmih.biz, OU=Root Certificate, OU=PCCell1, OU=Dmgr, O=IBM, C=US is not trusted; internal cause is:
java.security.cert.CertPathValidatorException: Certificate chaining error
Exception stack trace: