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Posted to dev@lucene.apache.org by "Shalin Shekhar Mangar (JIRA)" <ji...@apache.org> on 2016/04/07 13:55:25 UTC

[jira] [Commented] (SOLR-8958) OutOfMemoryError while processing search results

    [ https://issues.apache.org/jira/browse/SOLR-8958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230132#comment-15230132 ] 

Shalin Shekhar Mangar commented on SOLR-8958:
---------------------------------------------

This OutOfMemory is happening on the client while parsing the returned documents. What is the value of "rows" in your search query?

> OutOfMemoryError while processing search results
> ------------------------------------------------
>
>                 Key: SOLR-8958
>                 URL: https://issues.apache.org/jira/browse/SOLR-8958
>             Project: Solr
>          Issue Type: Bug
>          Components: clients - java
>    Affects Versions: 5.5
>         Environment: Linux 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06) x86_64 GNU/Linux
> Java 1.8.0_77-b03
>            Reporter: Alexander Veit
>            Priority: Critical
>
> When searching is happens that OutOfMemoryErrors occur.
> This is probably a known issue:
> {code:title=ByteUtils.java|borderStyle=solid}
>   /** Convert UTF8 bytes into UTF16 characters. */
>   public static void UTF8toUTF16(byte[] utf8, int offset, int len, CharArr out) {
>     // TODO: do in chunks if the input is large
>     out.reserve(len);
>     int n = UTF8toUTF16(utf8, offset, len, out.getArray(), out.getEnd());
>     out.setEnd(out.getEnd() + n);
>   }
> {code}
> These are stack traces from the generated hprof file.
> {noformat}
> WebConnectorWorker-localhost:8102-2
>   at org.apache.solr.common.util.ByteUtils.UTF8toUTF16([BII[CI)I (ByteUtils.java:60)
>   at org.apache.solr.common.util.ByteUtils.UTF8toUTF16([BIILorg/noggit/CharArr;)V (ByteUtils.java:69)
>   at org.apache.solr.common.util.JavaBinCodec.readStr(Lorg/apache/solr/common/util/DataInputInputStream;Lorg/apache/solr/common/util/JavaBinCodec$StringCache;)Ljava/lang/String; (JavaBinCodec.java:664)
>   at org.apache.solr.common.util.JavaBinCodec.readStr(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/String; (JavaBinCodec.java:653)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:215)
>   at org.apache.solr.common.util.JavaBinCodec.readArray(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/util/List; (JavaBinCodec.java:543)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:221)
>   at org.apache.solr.common.util.JavaBinCodec.readSolrDocument(Lorg/apache/solr/common/util/DataInputInputStream;)Lorg/apache/solr/common/SolrDocument; (JavaBinCodec.java:411)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:254)
>   at org.apache.solr.common.util.JavaBinCodec.readArray(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/util/List; (JavaBinCodec.java:543)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:221)
>   at org.apache.solr.common.util.JavaBinCodec.readSolrDocumentList(Lorg/apache/solr/common/util/DataInputInputStream;)Lorg/apache/solr/common/SolrDocumentList; (JavaBinCodec.java:425)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:256)
>   at org.apache.solr.common.util.JavaBinCodec.readOrderedMap(Lorg/apache/solr/common/util/DataInputInputStream;)Lorg/apache/solr/common/util/SimpleOrderedMap; (JavaBinCodec.java:154)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:223)
>   at org.apache.solr.common.util.JavaBinCodec.unmarshal(Ljava/io/InputStream;)Ljava/lang/Object; (JavaBinCodec.java:145)
>   at org.apache.solr.client.solrj.impl.BinaryResponseParser.processResponse(Ljava/io/InputStream;Ljava/lang/String;)Lorg/apache/solr/common/util/NamedList; (BinaryResponseParser.java:50)
>   at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(Lorg/apache/http/client/methods/HttpRequestBase;Lorg/apache/solr/client/solrj/ResponseParser;)Lorg/apache/solr/common/util/NamedList; (HttpSolrClient.java:551)
>   at org.apache.solr.client.solrj.impl.HttpSolrClient.request(Lorg/apache/solr/client/solrj/SolrRequest;Lorg/apache/solr/client/solrj/ResponseParser;Ljava/lang/String;)Lorg/apache/solr/common/util/NamedList; (HttpSolrClient.java:240)
>   at org.apache.solr.client.solrj.impl.HttpSolrClient.request(Lorg/apache/solr/client/solrj/SolrRequest;Ljava/lang/String;)Lorg/apache/solr/common/util/NamedList; (HttpSolrClient.java:229)
>   at org.apache.solr.client.solrj.SolrRequest.process(Lorg/apache/solr/client/solrj/SolrClient;Ljava/lang/String;)Lorg/apache/solr/client/solrj/SolrResponse; (SolrRequest.java:149)
>   at org.apache.solr.client.solrj.SolrClient.query(Ljava/lang/String;Lorg/apache/solr/common/params/SolrParams;)Lorg/apache/solr/client/solrj/response/QueryResponse; (SolrClient.java:942)
> {noformat}
> Another one:
> {noformat}
> WebConnectorWorker-localhost:8102-8
>   at java.lang.OutOfMemoryError.<init>()V (OutOfMemoryError.java:48)
>   at java.util.Arrays.copyOfRange([CII)[C (Arrays.java:3664)
>   at java.lang.String.<init>([CII)V (String.java:207)
>   at org.noggit.CharArr.toString()Ljava/lang/String; (CharArr.java:168)
>   at org.apache.solr.common.util.JavaBinCodec.readStr(Lorg/apache/solr/common/util/DataInputInputStream;Lorg/apache/solr/common/util/JavaBinCodec$StringCache;)Ljava/lang/String; (JavaBinCodec.java:665)
>   at org.apache.solr.common.util.JavaBinCodec.readStr(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/String; (JavaBinCodec.java:653)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:215)
>   at org.apache.solr.common.util.JavaBinCodec.readArray(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/util/List; (JavaBinCodec.java:543)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:221)
>   at org.apache.solr.common.util.JavaBinCodec.readSolrDocument(Lorg/apache/solr/common/util/DataInputInputStream;)Lorg/apache/solr/common/SolrDocument; (JavaBinCodec.java:411)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:254)
>   at org.apache.solr.common.util.JavaBinCodec.readArray(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/util/List; (JavaBinCodec.java:543)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:221)
>   at org.apache.solr.common.util.JavaBinCodec.readSolrDocumentList(Lorg/apache/solr/common/util/DataInputInputStream;)Lorg/apache/solr/common/SolrDocumentList; (JavaBinCodec.java:425)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:256)
>   at org.apache.solr.common.util.JavaBinCodec.readOrderedMap(Lorg/apache/solr/common/util/DataInputInputStream;)Lorg/apache/solr/common/util/SimpleOrderedMap; (JavaBinCodec.java:154)
>   at org.apache.solr.common.util.JavaBinCodec.readVal(Lorg/apache/solr/common/util/DataInputInputStream;)Ljava/lang/Object; (JavaBinCodec.java:223)
>   at org.apache.solr.common.util.JavaBinCodec.unmarshal(Ljava/io/InputStream;)Ljava/lang/Object; (JavaBinCodec.java:145)
>   at org.apache.solr.client.solrj.impl.BinaryResponseParser.processResponse(Ljava/io/InputStream;Ljava/lang/String;)Lorg/apache/solr/common/util/NamedList; (BinaryResponseParser.java:50)
>   at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(Lorg/apache/http/client/methods/HttpRequestBase;Lorg/apache/solr/client/solrj/ResponseParser;)Lorg/apache/solr/common/util/NamedList; (HttpSolrClient.java:551)
>   at org.apache.solr.client.solrj.impl.HttpSolrClient.request(Lorg/apache/solr/client/solrj/SolrRequest;Lorg/apache/solr/client/solrj/ResponseParser;Ljava/lang/String;)Lorg/apache/solr/common/util/NamedList; (HttpSolrClient.java:240)
>   at org.apache.solr.client.solrj.impl.HttpSolrClient.request(Lorg/apache/solr/client/solrj/SolrRequest;Ljava/lang/String;)Lorg/apache/solr/common/util/NamedList; (HttpSolrClient.java:229)
>   at org.apache.solr.client.solrj.SolrRequest.process(Lorg/apache/solr/client/solrj/SolrClient;Ljava/lang/String;)Lorg/apache/solr/client/solrj/SolrResponse; (SolrRequest.java:149)
>   at org.apache.solr.client.solrj.SolrClient.query(Ljava/lang/String;Lorg/apache/solr/common/params/SolrParams;)Lorg/apache/solr/client/solrj/response/QueryResponse; (SolrClient.java:942)
> {noformat}



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