CONCAT(string1, string2,...) --拼接,如果任何参数为 NULL,则返回 NULL。 CONCAT_WS(string1, string2, string3,...) --拼接,第一个字符拼接符不为null则不为null 例如:select CONCAT_WS('~', 'AA', NULL, 'BB', '', 'CC');会报错 Illegal use of 'NULL' --但官网说会跳过null select CO...
Flink sql查询NULL值错误Select id, name, if(type=1,2,null) From user ; 当我执行上面的sql的时候提示我 [ERROR] Could not execute SQL statement. Reason: org.apache.calcite.sql.validate.SqlValidatorException: Illegal use of ‘NULL’ 是无法将null展示吗?*来自志愿者整理的flink邮件归档小阿怪 2021-...
该异常几乎都是由于程序业务逻辑有误,或者数据流里存在未处理好的脏数据导致的,继续向下追溯异常栈一般就可以看到具体的出错原因,比较常见的如POJO内有空字段,或者抽取事件时间的时间戳为null等。 (2) java.lang.IllegalStateException: Buffer pool is destroyed || Memory manager has been shut down 很多童鞋拿着...
该异常几乎都是由于程序业务逻辑有误,或者数据流里存在未处理好的脏数据导致的,继续向下追溯异常栈一般就可以看到具体的出错原因,比较常见的如POJO内有空字段,或者抽取事件时间的时间戳为null等。 (2) java.lang.IllegalStateException: Buffer pool is destroyed || Memory manager has been shut down 很多童鞋拿着...
Caused by: java.util.concurrent.CompletionException: akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp://flink@flink88:15265/user/taskmanager_0#6643546564]] after [10000 ms]. Sender[null] sent message of type "org.apache.flink.runtime.rpc.messages.RemoteRpcInvocation". ...
null : new OperatorID(chainedOperator.f1); operatorIDPairs.add( OperatorIDPair.of( new OperatorID(chainedOperator.f0), userDefinedOperatorID)); } } if (chainedInputOutputFormats.containsKey(streamNodeId)) { jobVertex = new InputOutputFormatVertex( chainedNames.get(streamNodeId), jobVertexId, ...
if (heapMemory != null) { return ByteBuffer.wrap(heapMemory, offset, length); } else { try { ByteBuffer wrapper = offHeapBuffer.duplicate(); wrapper.limit(offset + length); wrapper.position(offset); return wrapper; } catch (IllegalArgumentException e) { ...
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Caused by:java.util.concurrent.CompletionException:akka.pattern.AskTimeoutException:Ask timed out on[Actor[akka.tcp://flink@flink88:15265/user/taskmanager_0#6643546564]]after[10000ms].Sender[null]sent messageoftype"org.apache.flink.runtime.rpc.messages.RemoteRpcInvocation". ...
[null] sent message of type "org.apache.flink.runtime.rpc.messages.LocalFencedMessage". at akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:604) at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:126) at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(...