我有一个脚本,它从gcloud下载使用sstabledump所需的所有文件,然后将它们转储到一个json中,但由于某种原因,我得到了这个错误: java.io.EOFException
at org.apache.cassandra.io.util.RebufferingInputStream.readByte(RebufferingInputStream.java:180)
at org.apache.cassandra.io.util.RebufferingInputStream.readPrimitiveSlowly(RebufferingInputSt
我尝试使用sstableloader将数据加载到Cassandra集群中。sstableloader显示以下错误:
Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57)
at java.nio.ByteBuffer.allocate(ByteBuffer.java:335)
at org.apac
我已经创建了一个具有一个作业管理器和两个任务管理器的flink独立集群。
当提交批处理任务/作业时,其中一个任务管理器将引发以下错误。flink仪表板显示了两个任务管理器。示例字计数程序工作。
java.io.IOException: Connecting the channel failed: Connecting to remote task manager + 'hostname/127.0.0.1:46537' has failed. This might indicate that the remote task manager has been lost.
Cassandra无法启动,错误:打开的文件太多。(apache-cassandra-1.2.4)
错误文件包含:
ERROR 11:53:11,893 Exception encountered during startup
java.lang.RuntimeException: java.io.FileNotFoundException: /home/analysis.engine/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-ib-289887-Data.db (Too many open
当我试图用flatMap操作符写出集合时,我得到了非法的状态异常(仅在高负载下):缓冲池被破坏了,我在这里做错了什么?当flink抛出缓冲池错误时?
java.lang.RuntimeException: Buffer pool is destroyed.
at org.apache.flink.streaming.runtime.io.RecordWriterOutput.pushToRecordWriter(RecordWriterOutput.java:110)
at org.apache.flink.streaming.runtime.io.RecordWriter
我正在开发作为卡夫卡来源的flink应用程序。我已经完成了对代码的所有必要更改,但在一个emr集群上运行时,它会陷入以下错误。如果有人有经验的话能告诉我解决办法吗。
Caused by: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: Could not complete the operation. Number of retries has been exhausted.
at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOpe
当我在Centos 6.4中运行MapReduce jar时,出现了如下所示的错误。
适用于64位的Hadoop版本为2.6.0。
MapReduce失败,该如何解决?
Error: java.lang.RuntimeException: native snappy library not available: this version of libhadoop was built without snappy support.
at org.apache.hadoop.io.compress.SnappyCodec.checkNativeCodeLoaded(SnappyCodec.
我有一个.nq文件,我想把它加载到一个fuseki三元组存储中,但是我得到了以下错误:
Exception in thread "main" org.apache.jena.atlas.AtlasException: java.nio.charset.MalformedInputException: Input length = 1
at org.apache.jena.atlas.io.IO.exception(IO.java:206)
at org.apache.jena.atlas.io.CharStreamBuffered$SourceReader.fill(CharS
我想在维克特使用杰克逊的ObjectMapper。它可以正常工作,但是抛出了一个序列化异常:[class=org.codehaus.jackson.map.ObjectMapper] <----- field that is not serializable
我正在和private ObjectMapper mapper = new ObjectMapper();一起设置场地。
尝试使用private ObjectMapper mapper = new ObjectMapper().setSerializerProvider(new StdSerializerProvider());也会
我正在尝试运行HBase外壳程序。shell会启动,但当我输入任何命令时,它会给出以下错误:
hbase:001:0> status
ERROR: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet
at org.apache.hadoop.hbase.master.HMaster.checkServiceStarted(HMaster.java:2817)
at org.apache.hadoop.hbase.master.MasterRpcServ
使用以下简单SQL:
ADD JAR ivy://com.klout:brickhouse:0.6.+?transitive=false;
CREATE TEMPORARY FUNCTION to_json AS 'brickhouse.udf.json.ToJsonUDF';
create table test (b boolean);
insert into table test values (true);
create test1 as select to_json(b) as b from test;
我得到了以下例外。
Diagnostic Messages f
hbase外壳扫描表显示以下错误 org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=8, exceptions:
2020-07-17T16:46:06.573Z, RpcRetryingCaller{globalStartTime=1595004366529, pause=100, maxAttempts=8}, java.net.ConnectException: Call to bob-Lenovo/127.0.1.1:16020 failed on connection ex
当我启动一个计算每个键的平均值的应用程序时,我遇到了这个错误。我使用带有λ表达式(java8)的函数combineBykey。我读取了一个包含三个寄存器(key、time、float)的文件。我在worker和master中都有java 8。
16/05/06 15:48:23 INFO DAGScheduler: ShuffleMapStage 0 (mapToPair at ProcesarFichero.java:115) failed in 3.774 s
16/05/06 15:48:23 INFO DAGScheduler: Job 0 failed: saveAsTex