Cannot borrow client for ssl://das_server:7712 - ssl

Question

I´m trying to configure DAS server with my Gateway wso2 API Management.
In my log always appear the messages bellow:
TID: [-1] [] [2017-04-24 19:55:11,133] ERROR {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker} - Error while trying to connect to the endpoint. Cannot borrow client for ssl://das_server:7712 {org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker}
org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Cannot borrow client for ssl://das_server:7712
at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:100)
at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.run(DataEndpointConnectionWorker.java:43)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.wso2.carbon.databridge.agent.exception.DataEndpointAuthenticationException: Thrift exception
at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:50)
at org.wso2.carbon.databridge.agent.endpoint.DataEndpointConnectionWorker.connect(DataEndpointConnectionWorker.java:94)
... 6 more
Caused by: org.apache.thrift.transport.TTransportException: java.net.SocketTimeoutException: Read timed out
at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:129)
at org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)
at org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:429)
at org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:318)
at org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:219)
at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.recv_connect(ThriftSecureEventTransmissionService.java:110)
at org.wso2.carbon.databridge.commons.thrift.service.secure.ThriftSecureEventTransmissionService$Client.connect(ThriftSecureEventTransmissionService.java:96)
at org.wso2.carbon.databridge.agent.endpoint.thrift.ThriftDataEndpoint.login(ThriftDataEndpoint.java:46)
... 7 more
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:170)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
at sun.security.ssl.InputRecord.read(InputRecord.java:503)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:930)
at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:127)
... 15 more
Does someone have an idea about this error?
My architecture is distributed components

Answer 1

Please make sure to add the GW certificate to the client-trustore.jks of the DAS server. This can be the issue which is not trusting your GW from the DAS server.