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https://issues.apache.org/jira/browse/DIRAPI-55?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134904#comment-13134904
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Pierre-Arnaud Marcelot commented on DIRAPI-55:
----------------------------------------------
There seem to be an infinite loop when logging with a DEBUG level.
Probably a wrong loop which is not updating its loop cursor in one of our DEBUG
statements.
> LDAP API can't be used with log4j default configuration when no
> 'log4j.properties' is available
> -----------------------------------------------------------------------------------------------
>
> Key: DIRAPI-55
> URL: https://issues.apache.org/jira/browse/DIRAPI-55
> Project: Directory Client API
> Issue Type: Bug
> Affects Versions: 1.0.0-M8
> Environment: jdk1.6, windows 7, Apache Directory Studio Version:
> 1.5.3.v20100330, apache ldap API, apache-ldap-api-1.0.0-M8-bin
> Reporter: Aswartha N Rupa
> Assignee: Pierre-Arnaud Marcelot
> Priority: Blocker
> Labels: API, LDAP, LDAPPRotocolDecoder,
> ProtocolDecoderException, mina, outofmemory
> Fix For: 1.0.0-M9
>
> Attachments: Apache-LDAP_API.zip, List2.java, example.ldif,
> log4j.properties
>
>
> A simple program that performs a search on the sample ldif shipped with
> apache DS>
> public class List {
> public static void main(String[] args) throws Exception{
> LdapConnection connection = new LdapNetworkConnection(
> "localhost", 10389 , false);
> System.out.println("got connection");
>
> connection.bind( "uid=admin,ou=system", "secret" );
> SearchRequest searchRequest = new SearchRequestImpl();
> searchRequest.setBase(new Dn("ou=Users,dc=example,dc=com"));
> searchRequest.setFilter("(&(sn=*)(mail=mplanck*))");
> searchRequest.setScope(SearchScope.ONELEVEL);
> String [] attributes = { "cn", "mail", "telephonenumber" };
> searchRequest.addAttributes(attributes);
>
> SearchCursor cursor = connection.search(searchRequest);
>
> if (cursor.next()) {
> Response response = cursor.get();
> System.out.println( ((SearchResultEntry)response).getEntry() );
> System.out.println( "Trying to close the cursor" );
> cursor.close();
>
> }
> //SearchResultDone done = cursor.getSearchResultDone();
> System.out.println( "Trying to close the connection" );
> connection.close();
> System.out.println( "Trying to close the cursor done" );
> }
> }
> Its prints the first record and waits for more than 10-15 minutes (after the
> connection.close() is invoke on main thread) giving out an outofmemory error
> on protocol decoder. I see two threads [NioProcessor] and
> [NioSocketConnector] in Running state even after main thread executed its
> last statement.
> With output:
> log4j:WARN No appenders could be found for logger
> (org.apache.directory.ldap.client.api.LdapConnectionConfig).
> log4j:WARN Please initialize the log4j system properly.
> log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more
> info.
> got connection
> Entry
> dn: uid=mplanck,ou=Users,dc=example,dc=com
> mail: mpla...@example.com
> cn: Max Planck
> telephonenumber: +1 904 982 6882
> Trying to close the cursor
> Trying to close the connection
> Trying to close the cursor done
> org.apache.mina.filter.codec.ProtocolDecoderException:
> java.lang.OutOfMemoryError: Java heap space (Hexdump: 30 4E 02 01 02 73 49 04
> 47 6C 64 61 70 3A 2F 2F 61 64 2E 65 78 61 6D 70 6C 65 2E 63 6F 6D 2F 75 69 64
> 3D 70 64 69 72 61 63 2C 25 32 30 6F 75 3D 55 73 65 72 73 2C 25 32 30 64 63 3D
> 65 78 61 6D 70 6C 65 2C 64 63 3D 63 6F 6D 3F 3F 62 61 73 65 30 54 02 01 02 73
> 4F 04 4D 6C 64 61 70 3A 2F 2F 6F 70 65 6E 6C 64 61 70 2E 65 78 61 6D 70 6C 65
> 2E 63 6F 6D 2F 75 69 64 3D 65 66 65 72 6D 69 2C 25 32 30 6F 75 3D 55 73 65 72
> 73 2C 25 32 30 64 63 3D 65 78 61 6D 70 6C 65 2C 64 63 3D 63 6F 6D 3F 3F 62 61
> 73 65 30 56 02 01 02 73 51 04 4F 6C 64 61 70 3A 2F 2F 61 70 61 63 68 65 64 73
> 2E 65 78 61 6D 70 6C 65 2E 63 6F 6D 2F 75 69 64 3D 72 66 65 79 6E 6D 61 6E 2C
> 25 32 30 6F 75 3D 55 73 65 72 73 2C 25 32 30 64 63 3D 65 78 61 6D 70 6C 65 2C
> 64 63 3D 63 6F 6D 3F 3F 62 61 73 65 30 0C 02 01 02 65 07 0A 01 00 04 00 04 00)
> at
> org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:251)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
> at
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:715)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:668)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:657)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:68)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1141)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.OutOfMemoryError: Java heap space
> at java.nio.CharBuffer.wrap(CharBuffer.java:350)
> at java.lang.StringCoding$StringEncoder.encode(StringCoding.java:238)
> at java.lang.StringCoding.encode(StringCoding.java:272)
> at java.lang.String.getBytes(String.java:946)
> at
> org.apache.directory.shared.util.Strings.getBytesUtf8(Strings.java:1426)
> at org.apache.directory.shared.ldap.model.name.Dn.apply(Dn.java:1222)
> at org.apache.directory.shared.ldap.model.name.Dn.<init>(Dn.java:283)
> at org.apache.directory.shared.ldap.model.name.Dn.<init>(Dn.java:207)
> at
> org.apache.directory.shared.ldap.model.url.LdapUrl.parseDN(LdapUrl.java:676)
> at
> org.apache.directory.shared.ldap.model.url.LdapUrl.parse(LdapUrl.java:198)
> at
> org.apache.directory.shared.ldap.model.url.LdapUrl.<init>(LdapUrl.java:308)
> at
> org.apache.directory.shared.ldap.codec.actions.searchResultReference.StoreReference.action(StoreReference.java:97)
> at
> org.apache.directory.shared.ldap.codec.actions.searchResultReference.StoreReference.action(StoreReference.java:47)
> at
> org.apache.directory.shared.asn1.ber.grammar.AbstractGrammar.executeAction(AbstractGrammar.java:138)
> at
> org.apache.directory.shared.asn1.ber.Asn1Decoder.treatTLVDoneState(Asn1Decoder.java:599)
> at
> org.apache.directory.shared.asn1.ber.Asn1Decoder.decode(Asn1Decoder.java:735)
> at
> org.apache.directory.shared.ldap.codec.api.LdapDecoder.decode(LdapDecoder.java:157)
> at
> org.apache.directory.shared.ldap.codec.protocol.mina.LdapProtocolDecoder.decode(LdapProtocolDecoder.java:79)
> at
> org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:241)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796)
> at
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:715)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:668)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:657)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor.access$600(AbstractPollingIoProcessor.java:68)
> at
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1141)
> at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
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