Elek, Marton created HDDS-894:
---------------------------------
Summary: Content-length should be set for ozone s3 ranged download
Key: HDDS-894
URL: https://issues.apache.org/jira/browse/HDDS-894
Project: Hadoop Distributed Data Store
Issue Type: Sub-task
Components: S3
Reporter: Elek, Marton
Assignee: Elek, Marton
Some of the seek related s3a unit tests are failed when using ozone s3g as the
destination endpoint.
For example ITestS3ContractSeek.testRandomSeeks is failing with:
{code}
org.apache.hadoop.fs.s3a.AWSClientIOException: read on
s3a://buckettest/test/testrandomseeks.bin: com.amazonaws.SdkClientException:
Data read has a different length than the expected: dataLength=9411;
expectedLength=0; includeSkipped=true; in.getClass()=class
com.amazonaws.services.s3.AmazonS3Client$2; markedSupported=false; marked=0;
resetSinceLastMarked=false; markCount=0; resetCount=0: Data read has a
different length than the expected: dataLength=9411; expectedLength=0;
includeSkipped=true; in.getClass()=class
com.amazonaws.services.s3.AmazonS3Client$2; markedSupported=false; marked=0;
resetSinceLastMarked=false; markCount=0; resetCount=0
at
org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:189)
at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:111)
at org.apache.hadoop.fs.s3a.Invoker.lambda$retry$3(Invoker.java:265)
at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:322)
at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:261)
at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:236)
at org.apache.hadoop.fs.s3a.S3AInputStream.read(S3AInputStream.java:446)
at java.io.DataInputStream.readFully(DataInputStream.java:195)
at java.io.DataInputStream.readFully(DataInputStream.java:169)
at
org.apache.hadoop.fs.contract.ContractTestUtils.verifyRead(ContractTestUtils.java:256)
at
org.apache.hadoop.fs.contract.AbstractContractSeekTest.testRandomSeeks(AbstractContractSeekTest.java:357)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:745)
{code}
With checking the requests/responses with mitm proxy I found that it works well
under a given range length
But if the response would be bigger than a specific size the response is
chunked by the jetty server, which could be the problem.
Response for the problematic request:
{code}
Request Response Detail
Date: Mon, 03 Dec 2018 11:27:55 GMT
Cache-Control: no-cache
Expires: Mon, 03 Dec 2018 11:27:55 GMT
Date: Mon, 03 Dec 2018 11:27:55 GMT
Pragma: no-cache
X-Content-Type-Options: nosniff
X-FRAME-OPTIONS: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Content-Range: bytes 208-10239/10240
Accept-Ranges: bytes
Content-Type: application/octet-stream
Last-Modified: Mon, 03 Dec 2018 11:27:54 GMT
Server: Ozone
x-amz-id-2: gk2CRdkmri0mc1
x-amz-request-id: eb60ee7f-55df-4439-b22a-7d92076f6eee
Transfer-Encoding: chunked
{code}
As you can see the Content-Length is missing and the Transfer-Enconding is
missing.
Based on [this|https://www.eclipse.org/lists/jetty-users/msg03053.html] comment
the solution is to explicit add the Content-Length to the response.
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