2013-08-13 13:13:41,193 [monitor.Monitor] WARN :
java.lang.NullPointerException
        at org.apache.accumulo.server.monitor.Monitor.fetchData(Monitor.java:308)
        at org.apache.accumulo.server.monitor.Monitor$2.run(Monitor.java:476)
        at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
        at java.lang.Thread.run(Thread.java:724)
2013-08-13 13:13:48,348 [monitor.Monitor] INFO : Failed to obtain problem reports
java.lang.RuntimeException: org.apache.accumulo.core.client.impl.ThriftScanner$ScanTimedOutException
        at org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:186)
        at org.apache.accumulo.server.problems.ProblemReports$3.hasNext(ProblemReports.java:241)
        at org.apache.accumulo.server.problems.ProblemReports.summarize(ProblemReports.java:299)
        at org.apache.accumulo.server.monitor.Monitor.fetchData(Monitor.java:374)
        at org.apache.accumulo.server.monitor.Monitor$2.run(Monitor.java:476)
        at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
        at java.lang.Thread.run(Thread.java:724)
Caused by: org.apache.accumulo.core.client.impl.ThriftScanner$ScanTimedOutException
        at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:241)
        at org.apache.accumulo.core.client.impl.ScannerIterator$Reader.run(ScannerIterator.java:94)
        at org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:176)
        ... 6 more