jcifs - ManifoldCF エラー JCIFS コネクタ、クラッシュ エージェント

Question

multiprocess-zk で ManifoldCF 2.7 を使用しましたが、10 分後に 2 つのエージェントがクラッシュしました。エラー ：

jcifs.smb.SmbException
jcifs.util.transport.TransportException
java.lang.InterruptedException
    at java.lang.Object.wait(Native Method)
    at jcifs.smb.SmbTransport.send(SmbTransport.java:631)
    at jcifs.smb.SmbSession.send(SmbSession.java:238)
    at jcifs.smb.SmbTree.send(SmbTree.java:119)
    at jcifs.smb.SmbFile.send(SmbFile.java:775)
    at jcifs.smb.SmbFile.queryPath(SmbFile.java:1366)
    at jcifs.smb.SmbFile.exists(SmbFile.java:1420)
    at jcifs.smb.SmbFile.isDirectory(SmbFile.java:1493)
    at jcifs.smb.SmbFile.getSecurity(SmbFile.java:2895)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecurity(SharedDriveConnector.java:2395)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecuritySet(SharedDriveConnector.java:1195)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:639)
    at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)

    at jcifs.smb.SmbTransport.send(SmbTransport.java:643)
    at jcifs.smb.SmbSession.send(SmbSession.java:238)
    at jcifs.smb.SmbTree.send(SmbTree.java:119)
    at jcifs.smb.SmbFile.send(SmbFile.java:775)
    at jcifs.smb.SmbFile.queryPath(SmbFile.java:1366)
    at jcifs.smb.SmbFile.exists(SmbFile.java:1420)
    at jcifs.smb.SmbFile.isDirectory(SmbFile.java:1493)
    at jcifs.smb.SmbFile.getSecurity(SmbFile.java:2895)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecurity(SharedDriveConnector.java:2395)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecuritySet(SharedDriveConnector.java:1195)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:639)
    at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)

    at jcifs.smb.SmbTransport.send(SmbTransport.java:660)
    at jcifs.smb.SmbSession.send(SmbSession.java:238)
    at jcifs.smb.SmbTree.send(SmbTree.java:119)
    at jcifs.smb.SmbFile.send(SmbFile.java:775)
    at jcifs.smb.SmbFile.queryPath(SmbFile.java:1366)
    at jcifs.smb.SmbFile.exists(SmbFile.java:1420)
    at jcifs.smb.SmbFile.isDirectory(SmbFile.java:1493)
    at jcifs.smb.SmbFile.getSecurity(SmbFile.java:2895)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecurity(SharedDriveConnector.java:2395)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecuritySet(SharedDriveConnector.java:1195)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:639)
    at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)
 WARN 2017-06-14 09:28:00,384 (Worker thread '12') - JCIFS: Possibly transient exception detected on attempt 2 while getting file security: null
jcifs.smb.SmbException
jcifs.util.transport.TransportException
java.lang.InterruptedException
    at java.lang.Object.wait(Native Method)
    at jcifs.smb.SmbTransport.send(SmbTransport.java:631)
    at jcifs.smb.SmbSession.send(SmbSession.java:238)
    at jcifs.smb.SmbTree.send(SmbTree.java:119)
    at jcifs.smb.SmbFile.send(SmbFile.java:775)
    at jcifs.smb.SmbFile.queryPath(SmbFile.java:1366)
    at jcifs.smb.SmbFile.exists(SmbFile.java:1420)
    at jcifs.smb.SmbFile.isDirectory(SmbFile.java:1493)
    at jcifs.smb.SmbFile.getSecurity(SmbFile.java:2895)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecurity(SharedDriveConnector.java:2395)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecuritySet(SharedDriveConnector.java:1195)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:639)
    at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)

    at jcifs.smb.SmbTransport.send(SmbTransport.java:643)
    at jcifs.smb.SmbSession.send(SmbSession.java:238)
    at jcifs.smb.SmbTree.send(SmbTree.java:119)
    at jcifs.smb.SmbFile.send(SmbFile.java:775)
    at jcifs.smb.SmbFile.queryPath(SmbFile.java:1366)
    at jcifs.smb.SmbFile.exists(SmbFile.java:1420)
    at jcifs.smb.SmbFile.isDirectory(SmbFile.java:1493)
    at jcifs.smb.SmbFile.getSecurity(SmbFile.java:2895)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecurity(SharedDriveConnector.java:2395)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecuritySet(SharedDriveConnector.java:1195)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:639)
    at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)

    at jcifs.smb.SmbTransport.send(SmbTransport.java:660)
    at jcifs.smb.SmbSession.send(SmbSession.java:238)
    at jcifs.smb.SmbTree.send(SmbTree.java:119)
    at jcifs.smb.SmbFile.send(SmbFile.java:775)
    at jcifs.smb.SmbFile.queryPath(SmbFile.java:1366)
    at jcifs.smb.SmbFile.exists(SmbFile.java:1420)
    at jcifs.smb.SmbFile.isDirectory(SmbFile.java:1493)
    at jcifs.smb.SmbFile.getSecurity(SmbFile.java:2895)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecurity(SharedDriveConnector.java:2395)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.getFileSecuritySet(SharedDriveConnector.java:1195)
    at org.apache.manifoldcf.crawler.connectors.sharedrive.SharedDriveConnector.processDocuments(SharedDriveConnector.java:639)
    at org.apache.manifoldcf.crawler.system.WorkerThread.run(WorkerThread.java:399)

これは multiprocess-zk-example で、2 つのエージェントを開始しました。

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ご協力いただきありがとうございます。