Details
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Bug
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Resolution: Fixed
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Critical
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6.6.0
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Untriaged
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1
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Unknown
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CX Sprint 223, CX Sprint 236, CX Sprint 238, CX Sprint 239
Description
After falling back to SCRAM-SHA, the remote link authentication waited indefinitely for a response from the remote cluster as can be seen in the stacktrace below:
{
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"id": 246,
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"locked_synchronizers": [
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{
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"className": "java.util.concurrent.ThreadPoolExecutor$Worker",
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"identityHashCode": 1274906177
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},
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{
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"className": "java.util.concurrent.locks.ReentrantReadWriteLock$FairSync",
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"identityHashCode": 275966571
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}
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],
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"name": "HttpExecutor(port:9111)-15",
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"stack": [
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"java.base@11.0.7/java.net.SocketInputStream.socketRead0(Native Method)",
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"java.base@11.0.7/java.net.SocketInputStream.socketRead(Unknown Source)",
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"java.base@11.0.7/java.net.SocketInputStream.read(Unknown Source)",
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"java.base@11.0.7/java.net.SocketInputStream.read(Unknown Source)",
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"app//org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)",
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"app//org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153)",
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"app//org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:280)",
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"app//org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)",
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"app//org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)",
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"app//org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)",
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"app//org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)",
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"app//org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:157)",
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"app//org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)",
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"app//org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)",
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"app//org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)",
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"app//org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)",
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"app//org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)",
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"app//org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)",
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"app//org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)",
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"app//org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)",
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"app//org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)",
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"app//com.couchbase.analytics.auth.CbRemoteLinkHelper.executeScramSha(CbRemoteLinkHelper.java:150)",
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"app//com.couchbase.analytics.auth.CbRemoteLinkHelper.execute(CbRemoteLinkHelper.java:109)",
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"app//com.couchbase.analytics.bootstrap.NsServerHelper.authenticate(NsServerHelper.java:516)",
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"app//com.couchbase.analytics.bootstrap.NsServerHelper.fallbackToScramSha(NsServerHelper.java:464)",
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"app//com.couchbase.analytics.bootstrap.NsServerHelper.authenticate(NsServerHelper.java:452)",
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"app//com.couchbase.analytics.metadata.CbRemoteLinkReference.authenticate(CbRemoteLinkReference.java:83)",
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"app//com.couchbase.analytics.lang.CreateLinkStatement.doOperation(CreateLinkStatement.java:69)",
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"app//com.couchbase.analytics.lang.LinkDdlStatement.transactionallyHandle(LinkDdlStatement.java:132)",
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"app//com.couchbase.analytics.lang.LinkDdlStatement.doHandle(LinkDdlStatement.java:102)",
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"app//com.couchbase.analytics.servlet.LinkServlet.createOrAlter(LinkServlet.java:196)",
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"app//com.couchbase.analytics.servlet.LinkServlet.lambda$post$0(LinkServlet.java:85)",
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"app//com.couchbase.analytics.servlet.LinkServlet$$Lambda$876/0x0000000800ab5440.run(Unknown Source)",
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"app//com.couchbase.analytics.servlet.LinkServlet.handleDdlRequest(LinkServlet.java:107)",
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"app//com.couchbase.analytics.servlet.LinkServlet.post(LinkServlet.java:85)",
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"app//org.apache.hyracks.http.server.AbstractServlet.handle(AbstractServlet.java:93)",
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"app//com.couchbase.analytics.servlet.LinkServlet.handle(LinkServlet.java:79)",
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"app//com.couchbase.analytics.servlet.AuthenticatedServlet.handle(AuthenticatedServlet.java:82)",
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"app//org.apache.hyracks.http.server.HttpRequestHandler.handle(HttpRequestHandler.java:83)",
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"app//org.apache.hyracks.http.server.HttpRequestHandler.call(HttpRequestHandler.java:68)",
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"app//org.apache.hyracks.http.server.HttpRequestHandler.call(HttpRequestHandler.java:37)",
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"java.base@11.0.7/java.util.concurrent.FutureTask.run(Unknown Source)",
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"java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)",
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"java.base@11.0.7/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)",
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"java.base@11.0.7/java.lang.Thread.run(Unknown Source)"
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],
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"state": "RUNNABLE"
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}
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Because this operation is performed while holding the connection lock, all other operations (e.g. DDLs\DMLs) that require the connection lock were waiting forever as well.
