要麼運行掃描命令或計數,會彈出此錯誤,並且錯誤消息對我沒有意義。 這是什麼說&如何解決它?HBase shell在掃描器和計數調用時出現「OutOfOrderScannerNextException」錯誤
org.apache.hadoop.hbase.exceptions.OutOfOrderScannerNextException: 預計nextCallSeq:1但nextCallSeq從客戶端得到:0; 請求= scanner_id:788個NUMBER_OF_ROWS:100 close_scanner:假 next_call_seq:0
命令:
計數 '表',5000 掃描 '表',{COLUMN => [ 'CF:CQ' ],FILTER => 「ValueFilter(= 'binaryprefix:someValue中')」}
編輯:
我在HBase的-site.xml中加入以下設置
<property>
<name>hbase.rpc.timeout</name>
<value>1200000</value>
</property>
<property>
<name>hbase.client.scanner.caching</name>
<value>100</value>
</property>
沒有影響
EDIT2:EDIT2新的錯誤後添加睡眠
Result[] results = scanner.next(100);
for (int i = 0; i < results.length; i++) {
result = results[i];
try {
...
count++;
...
Thread.sleep(10); // ADDED SLEEP
} catch (Throwable exception) {
System.out.println(exception.getMessage());
System.out.println("sleeping");
}
}
:
org.apache.hadoop.hbase.client.ScannerTimeoutException: 101761ms passed since the last invocation, timeout is currently set to 60000
...
Caused by: org.apache.hadoop.hbase.UnknownScannerException: org.apache.hadoop.hbase.UnknownScannerException: Name: 31, already closed?
...
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.UnknownScannerException): org.apache.hadoop.hbase.UnknownScannerException: Name: 31, already closed?
...
FINALLY BLOCK: 9900
Exception in thread "main" java.lang.RuntimeException: org.apache.hadoop.hbase.client.ScannerTimeoutException: 101766ms passed since the last invocation, timeout is currently set to 60000
...
Caused by: org.apache.hadoop.hbase.client.ScannerTimeoutException: 101766ms passed since the last invocation, timeout is currently set to 60000
...
Caused by: org.apache.hadoop.hbase.UnknownScannerException: org.apache.hadoop.hbase.UnknownScannerException: Name: 31, already closed?
...
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.UnknownScannerException): org.apache.hadoop.hbase.UnknownScannerException: Name: 31, already closed?
...
哪個版本的HBase你使用這個有時會出現掃描? – Chiron 2014-10-18 09:26:04
@Chiron hbase-0.98.6.1-hadoop1獨立於Ubuntu – 2014-10-18 15:05:36
我正在運行另一個掃描命令,問題依然存在,我應該使用緩存嗎? – 2014-10-18 15:32:19