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Size limit on Remote EJB Calls
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created by <a href="https://community.jboss.org/people/justinhayes">Justin Hayes</a> in <i>EJB3</i> - <a href="https://community.jboss.org/message/787159#787159">View the full discussion</a>
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<div class="jive-rendered-content"><p>I have a SLSB that I invoke remotely and there appears to be a limit on how large the argument I can pass in a method call is. I'm using EAP 6.0.1 (jboss as <span style="font-family: 'Liberation Sans', 'Trebuchet MS', 'Bitstream Vera Sans', helvetica, verdana, arial, sans-serif; font-size: 12px; background-color: #ffffff;">7.1.2 Final</span>) and deploying my ejb as part of an ear. My client runs in a separete JVM and uses jboss-ejb-client 1.0.5.Final.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EJB3 interface:</p><p>public String ingest(NATLog[] values);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>EJB3 impl:</p><p>@Override</p><p>          public String ingest(NATLog[] values) {</p><p>    //do something</p><p>   }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>NATLog is a simple POJO with 11 String member variables. The total size of one of these fully populated is about 300 bytes.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I use an array up to about 150 NATLog objects, the EJB call works fine. When I pass in an array of 200 NATLog objects, the EJB call just hangs. And when I finally kill the client via ctrl-c, I get the following error message in the server's console.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>15:49:56,740 ERROR [org.jboss.as.ejb3] (Remoting "cirries-3001" task-1) JBAS014248: Exception on channel Channel ID 699cd0be (inbound) of Remoting connection 58f368dc to null from message org.jboss.remoting3.remote.InboundMessage$3@41c61c91: org.jboss.remoting3.MessageCancelledException</p><p>        at org.xnio.streams.BufferPipeInputStream.checkFailure(BufferPipeInputStream.java:280) [xnio-api-3.0.7.GA-redhat-1.jar:3.0.7.GA-redhat-1]</p><p>        at org.xnio.streams.BufferPipeInputStream.read(BufferPipeInputStream.java:125) [xnio-api-3.0.7.GA-redhat-1.jar:3.0.7.GA-redhat-1]</p><p>        at org.jboss.remoting3.remote.InboundMessage$3.read(InboundMessage.java:122) [jboss-remoting-3.2.14.GA-redhat-1.jar:3.2.14.GA-redhat-1]</p><p>        at java.io.DataInputStream.readByte(DataInputStream.java:265) [rt.jar:1.6.0_24]</p><p>        at org.jboss.as.ejb3.remote.protocol.versionone.AbstractMessageHandler$2.read(AbstractMessageHandler.java:249)</p><p>        at java.io.InputStream.read(InputStream.java:170) [rt.jar:1.6.0_24]</p><p>        at java.io.FilterInputStream.read(FilterInputStream.java:133) [rt.jar:1.6.0_24]</p><p>        at org.jboss.marshalling.SimpleDataInput.read(SimpleDataInput.java:92) [jboss-marshalling-1.3.15.GA-redhat-1.jar:1.3.15.GA-redhat-1]</p><p>        at org.jboss.marshalling.UTFUtils.readUTFBytes(UTFUtils.java:155) [jboss-marshalling-1.3.15.GA-redhat-1.jar:1.3.15.GA-redhat-1]</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:281)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1678)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1594)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1236)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadCollectionObject(RiverUnmarshaller.java:180)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObjectArray(RiverUnmarshaller.java:1503)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadArray(RiverUnmarshaller.java:1542)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:326)</p><p>        at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)</p><p>        at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:37) [jboss-marshalling-1.3.15.GA-redhat-1.jar:1.3.15.GA-redhat-1]</p><p>        at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler.processMessage(MethodInvocationMessageHandler.java:162)</p><p>        at org.jboss.as.ejb3.remote.protocol.versionone.VersionOneProtocolChannelReceiver.handleMessage(VersionOneProtocolChannelReceiver.java:180)</p><p>        at org.jboss.remoting3.remote.RemoteConnectionChannel$5.run(RemoteConnectionChannel.java:435) [jboss-remoting-3.2.14.GA-redhat-1.jar:3.2.14.GA-redhat-1]</p><p>        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.6.0_24]</p><p>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.6.0_24]</p><p>        at java.lang.Thread.run(Thread.java:679) [rt.jar:1.6.0_24]</p><p>Caused by: an exception which occurred:</p><p>        in field origIP</p><p>        in object of type org.jboss.tusk.juniper.ispn.NATLog</p><p>        in element at index [107] of size [200]</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>1. Is there a size limit for the data passed in via remote EJB3 calls?</p><p>2. Are there any settings I can do in JBoss to tune the behavior with regard to EJB calls?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks,</p><p>Justin</p></div>
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