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# troubleshooting
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druid-s3-extensions], jars: httpcore-4.4.11.jar, httpclient-4.5.10.jar, jmespath-java-1.12.37.jar, commons-codec-1.13.jar, commons-logging-1.1.1.jar, jackson-dataformat-cbor-2.10.5.jar, aws-java-sdk-core-1.12.37.jar, ion-java-1.0.2.jar, aws-java-sdk-sts-1.12.37.jar, joda-time-2.10.5.jar, druid-s3-extensions-0.22.1.jar
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does it keep happening if you try again?
i haven't seen it before, some additional error details might be helpful
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The task log has below below stack :
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Caused by: com.amazonaws.SdkClientException: Data read has a different length than the expected: dataLength=243754376; expectedLength=292634686; includeSkipped=true; in.getClass()=class com.amazonaws.services.s3.AmazonS3Client$2; markedSupported=false; marked=0; resetSinceLastMarked=false; markCount=0; resetCount=0
	at com.amazonaws.util.LengthCheckInputStream.checkLength(LengthCheckInputStream.java:151) ~[aws-java-sdk-core-1.12.37.jar:?]
	at com.amazonaws.util.LengthCheckInputStream.read(LengthCheckInputStream.java:109) ~[aws-java-sdk-core-1.12.37.jar:?]
	at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:90) ~[aws-java-sdk-core-1.12.37.jar:?]
	at com.amazonaws.services.s3.internal.S3AbortableInputStream.read(S3AbortableInputStream.java:125) ~[aws-java-sdk-s3-1.12.37.jar:?]
	at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:90) ~[aws-java-sdk-core-1.12.37.jar:?]
	at com.google.common.io.CountingInputStream.read(CountingInputStream.java:62) ~[guava-16.0.1.jar:?]
	at org.apache.druid.data.input.impl.RetryingInputStream.read(RetryingInputStream.java:144) ~[druid-core-0.22.1.jar:0.22.1]
	at java.io.FilterInputStream.read(FilterInputStream.java:133) ~[?:1.8.0_342]
	at java.util.zip.InflaterInputStream.fill(InflaterInputStream.java:238) ~[?:1.8.0_342]
	at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158) ~[?:1.8.0_342]
	at java.util.zip.GZIPInputStream.read(GZIPInputStream.java:117) ~[?:1.8.0_342]
	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284) ~[?:1.8.0_342]
	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326) ~[?:1.8.0_342]
	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178) ~[?:1.8.0_342]
	at java.io.InputStreamReader.read(InputStreamReader.java:184) ~[?:1.8.0_342]
	at java.io.BufferedReader.fill(BufferedReader.java:161) ~[?:1.8.0_342]
	at java.io.BufferedReader.readLine(BufferedReader.java:324) ~[?:1.8.0_342]
	at java.io.BufferedReader.readLine(BufferedReader.java:389) ~[?:1.8.0_342]
	at org.apache.commons.io.LineIterator.hasNext(LineIterator.java:96) ~[commons-io-2.11.0.jar:2.11.0]
does it keep happening if you try again?
It’s the single failure from multiple running tasks
Will check for retry