lvchuanwen created SOLR-8028:
--------------------------------

             Summary: ConcurrentModificationException thrown from JavaBinCodec
                 Key: SOLR-8028
                 URL: https://issues.apache.org/jira/browse/SOLR-8028
             Project: Solr
          Issue Type: Bug
          Components: clients - java
    Affects Versions: 4.10.3
            Reporter: lvchuanwen
            Priority: Critical


while pressure test by LoadRunner ,There are some 
ConcurrentModificationException.


Caused by: java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.next(ArrayList.java:837)
        at 
org.apache.solr.common.util.JavaBinCodec.writeArray(JavaBinCodec.java:474)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:250)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.writeSolrInputDocument(JavaBinCodec.java:424)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:250)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.writeSolrInputDocument(JavaBinCodec.java:424)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:274)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:274)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.writeMapEntry(JavaBinCodec.java:509)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:294)

        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:294)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:450)
        at 
org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:450)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:282)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)

        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.writeNamedList(JavaBinCodec.java:148)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:242)
        at 
org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:242)
        at 
org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153)
        at 
org.apache.solr.common.util.JavaBinCodec.marshal(JavaBinCodec.java:96)

        at 
org.apache.solr.common.util.JavaBinCodec.marshal(JavaBinCodec.java:96)
        at 
org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.marshal(JavaBinUpdateRequestCodec.java:83)
        at 
org.apache.solr.client.solrj.impl.BinaryRequestWriter.getContentStream(BinaryRequestWriter.java:67)

        at 
org.apache.solr.client.solrj.impl.BinaryRequestWriter.getContentStream(BinaryRequestWriter.java:67)
        at 
org.apache.solr.client.solrj.request.RequestWriter$LazyContentStream.getDelegate(RequestWriter.java:95)
        at 
org.apache.solr.client.solrj.request.RequestWriter$LazyContentStream.getName(RequestWriter.java:105)
        at 
org.apache.solr.client.solrj.request.RequestWriter$LazyContentStream.getName(RequestWriter.java:105)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.createMethod(HttpSolrServer.java:370)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.createMethod(HttpSolrServer.java:304)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:229)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:225)
        at 
org.apache.solr.client.solrj.impl.LBHttpSolrServer.doRequest(LBHttpSolrServer.java:345)
        ... 30 more
java.util.ConcurrentModificationException

        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:229)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:225)
        at 
org.apache.solr.client.solrj.impl.LBHttpSolrServer.doRequest(LBHttpSolrServer.java:345)
        ... 30 more



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