Details
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Bug
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Resolution: Done
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Major
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3.0.10.Final
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None
Description
There's a problem when invoking jaxrs service returning "big enough" Streams (depends on platform, it is generally over 1Mo). There's an "InputStream closed" Exception that sounds like premature closing by java finalizer. Details :
Caused by: java.lang.RuntimeException: java.io.IOException: Stream closed
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.loadHttpMethod(ApacheHttpClient4Engine.java:381)
at org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine.invoke(ApacheHttpClient4Engine.java:232)
... 21 more
Caused by: java.io.IOException: Stream closed
at java.io.BufferedInputStream.getBufIfOpen(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at org.jboss.resteasy.client.core.SelfExpandingBufferredInputStream.read(SelfExpandingBufferredInputStream.java:57)
at java.io.FilterInputStream.read(Unknown Source)
at org.jboss.resteasy.client.core.SelfExpandingBufferredInputStream.read(SelfExpandingBufferredInputStream.java:67)
at org.jboss.resteasy.plugins.providers.ProviderHelper.writeTo(ProviderHelper.java:124)
at org.jboss.resteasy.plugins.providers.DataSourceProvider.writeTo(DataSourceProvider.java:197)
at org.jboss.resteasy.plugins.providers.DataSourceProvider.writeTo(DataSourceProvider.java:31)
at org.jboss.resteasy.plugins.providers.multipart.AbstractMultipartWriter.writePart(AbstractMultipartWriter.java:60)
at fr.gouv.diplomatie.client.rest.utils.MultipartFormDataWriter.writePart(MultipartFormDataWriter.java:33)
at org.jboss.resteasy.plugins.providers.multipart.AbstractMultipartFormDataWriter.writeParts(AbstractMultipartFormDataWriter.java:33)
at org.jboss.resteasy.plugins.providers.multipart.AbstractMultipartWriter.write(AbstractMultipartWriter.java:33)
at org.jboss.resteasy.plugins.providers.multipart.MultipartFormDataWriter.writeTo(MultipartFormDataWriter.java:34)
at org.jboss.resteasy.plugins.providers.multipart.MultipartFormDataWriter.writeTo(MultipartFormDataWriter.java:18)
Our service interface is defined by :
@javax.ws.rs.GET @javax.ws.rs.Path(value="/document/{documentId}/content") @javax.ws.rs.Produces(value={"application/octet-stream"}) public abstract javax.ws.rs.core.Response readContent(@javax.ws.rs.PathParam(value="documentId") java.lang.String id);
And a sample usecase is :
IOUtils.copy(service.readContent(id).readEntity(InputStream.class), fileOut);
I have seen old issues about finalizer in ClientResponse class... so i tryed this silly thing and it works !
Response res = service.readContent(id); InputStream is = res.readEntity(InputStream.class); IOUtils.copy(is, fileOut);
there's some JVM tricks behin...managing automatic stream closing appears to be hard to solve ! It could be better to leave responsibility of cleanup to caller (managed with "try-with-resource" java pattern or IOUtils lib)
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