[Hibernate-JIRA] Created: (HHH-2447) Connection leak if logAndClearWarnings throws
by Jeppe N. Madsen (JIRA)
Connection leak if logAndClearWarnings throws
----------------------------------------------
Key: HHH-2447
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2447
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.1.3, 3.2.2
Environment: Database product name : DB2/NT
Database product version : SQL08025
JDBC driver name : IBM DB2 JDBC Universal Driver Architecture
Hibernate 3.1.3 (seems to exist in 3.2.2 as well)
JDBC driver version : 2.9.31
Reporter: Jeppe N. Madsen
Priority: Minor
In ConnectionManager.closeConnection, logAndClearWarnings is called before connection.close() is called. If this call throws an exception, the connection is never closed.
We have observed that DB2 sometimes throws an Error because the SQLWarning chain is wrong:
[14-02-07 11:36:30:889 CET] 10b0b533 WebGroup E SRVE0026E: [Servlet Error]-[SQLWarning chain holds value that is not a SQLWarning]: java.lang.Error: SQLWarning chain holds value that is not a SQLWarning
at java.sql.SQLWarning.getNextWarning(SQLWarning.java:109)
at org.hibernate.util.JDBCExceptionReporter.logWarnings(JDBCExceptionReporter.java:50)
at org.hibernate.util.JDBCExceptionReporter.logWarnings(JDBCExceptionReporter.java:33)
at org.hibernate.util.JDBCExceptionReporter.logAndClearWarnings(JDBCExceptionReporter.java:22)
at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:443)
at org.hibernate.jdbc.ConnectionManager.cleanup(ConnectionManager.java:379)
at org.hibernate.jdbc.ConnectionManager.close(ConnectionManager.java:318)
at org.hibernate.impl.SessionImpl.close(SessionImpl.java:293)
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13 years, 10 months
[Hibernate-JIRA] Created: (HHH-2075) many-to-one in a properties element causes strange PropertyValueException on flush
by Josh Moore (JIRA)
many-to-one in a properties element causes strange PropertyValueException on flush
----------------------------------------------------------------------------------
Key: HHH-2075
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2075
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.0.cr4
Environment: HSQLDB
Hibernate r10478
Reporter: Josh Moore
Attachments: exception.txt, log.txt, properties.zip
Full test directory zip (org/hibernate/test/properties) attached. But to summarize, the following test will fail on flush after a simple merge. The exception thrown says that Pixels.sizeC is null -- though it's clearly set in the test case.
<code>
Image i = new Image();
Pixels p = new Pixels();
p.setSizeC(new Integer(2));
p.setImage(i); // This calls i.getPixels().add(p)
// i.setPixels(null); // This makes it work.
Session s = openSession();
Transaction t = s.beginTransaction();
// s.merge(i); // This makes it work.
p = (Pixels) s.merge(p); // This fails with the exception below.
t.commit();
s.close();
</code>
The properties element in question is:
<code>
<properties name="defaultPixelsTag">
<property name="defaultPixels" type="java.lang.Boolean"/>
<many-to-one name="image" class="Image" column="image"
not-null="true" unique="false" insert="true" update="true"
cascade="lock,merge,persist,replicate,refresh,save-update"
/>
</properties>
</code>
The reverse side is:
<code>
<set
name="pixels"
lazy="true"
inverse="true"
cascade="lock,merge,persist,replicate,refresh,save-update">
<key column="image" not-null="false"/>
<one-to-many class="Pixels"/>
</set>
</code>
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13 years, 10 months
[Hibernate-JIRA] Created: (HHH-2166) Long "in" lists in queries results in a Java stack overflow exception.
by Philip R. "Pib" Burns (JIRA)
Long "in" lists in queries results in a Java stack overflow exception.
----------------------------------------------------------------------
Key: HHH-2166
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2166
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.0.ga
Environment: Hibernate 3.2.0.cr3 through 3.2.0.ga (at least). Any standard deployment of Sun's JVM on Windows, Linux, or Mac OS X (and presumably other platforms like Solaris)
Reporter: Philip R. "Pib" Burns
Attachments: NodeTraverser.java
With Hibernate 320ga a long "in" list can result in a stack overflow error during the parsing stage. For example, a query element like
where x in (:x)
or a manually constructed
where x in (1,2,3 .....)
can generate a stack overflow if the number of elements referenced by x exceeds a number dependent upon the amount of available stack space. For many JVMs, the limit is between 9,000 and 10,000 assuming a relatively empty stack at the point of query execution. We have applications which occasionally use lists several times this size.
The stack overflow occurs in org.hibernate.hql.ast.util.NodeTraverser which uses a recursive algorithm to walk a parse tree. Long "in" lists generate a subtree of depth about equal to the number of elements in the list. A sufficiently long list results in a stack overflow when NodeTraverser's internal method visitDepthFirst calls itself too many times.
The solution is to replace the recursive tree walking strategy with an iterative one that does not use up stack space. I am attaching the source for a replacement version of . NodeTraverser which implements the iterative tree walking method.
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13 years, 10 months
[Hibernate-JIRA] Created: (HHH-2305) refresh throws exception when database has been altered with a delete
by Markus Heiden (JIRA)
refresh throws exception when database has been altered with a delete
---------------------------------------------------------------------
Key: HHH-2305
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2305
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.1
Environment: Hibernate 3.2.1, Oracle 9.2
Reporter: Markus Heiden
Attachments: hibernate.zip
First I save an entity with a collection of cascading entities in it and flush. Then I delete these cascaded entities with a sql query. When I now do a refresh on the entity an exception is thrown, because the cascaded entities couldn't be found in the database. I expected these entities to be deleted from the (in memory) collection of the entity instead.
Test case is attached. Stacktrace of test case:
Hibernate: select c0_.id as id2_0_, c0_.c as c2_0_ from C c0_ where c0_.id=?
org.hibernate.UnresolvableObjectException: No row with the given identifier exists: [hibernate.refresh.C#30003]
at org.hibernate.UnresolvableObjectException.throwIfNull(UnresolvableObjectException.java:42)
at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:126)
at org.hibernate.impl.SessionImpl.fireRefresh(SessionImpl.java:911)
at org.hibernate.impl.SessionImpl.refresh(SessionImpl.java:894)
at org.hibernate.engine.CascadingAction$4.cascade(CascadingAction.java:169)
at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:99)
at org.hibernate.impl.SessionImpl.fireRefresh(SessionImpl.java:911)
at org.hibernate.impl.SessionImpl.refresh(SessionImpl.java:894)
at org.hibernate.engine.CascadingAction$4.cascade(CascadingAction.java:169)
at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:99)
at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:39)
at org.hibernate.impl.SessionImpl.fireRefresh(SessionImpl.java:902)
at org.hibernate.impl.SessionImpl.refresh(SessionImpl.java:886)
at hibernate.refresh.Test.main(Test.java:46)
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13 years, 10 months
[Hibernate-JIRA] Created: (HHH-2866) The order of parameters is not maintained between HQL and SQL, but the parameters are inserted into the PreparedStatement in their HQL order.
by Benjamin Keil (JIRA)
The order of parameters is not maintained between HQL and SQL, but the parameters are inserted into the PreparedStatement in their HQL order.
---------------------------------------------------------------------------------------------------------------------------------------------
Key: HHH-2866
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2866
Project: Hibernate3
Issue Type: Bug
Components: query-hql
Affects Versions: 3.2.5
Environment: Hibernate 3.2.5.ga; both with MySQLInnoDB and H2 dialects; both with annotations and hand written mapping files
Reporter: Benjamin Keil
Attachments: ReorderedParameters.java, ReorderedParameters.zip
The HQL query
from Assoc a where a.type.oid = ? and a.constituents[?].oid = ?
gets translated into
select
reorderedp0_.oid as oid1_,
reorderedp0_.type_oid as type2_1_
from
Assoc reorderedp0_,
Assoc_Topic constituen1_,
Topic reorderedp2_
where
reorderedp0_.oid=constituen1_.Assoc_oid
and constituen1_.topic_index = ?
and constituen1_.constituents_oid=reorderedp2_.oid
and reorderedp0_.type_oid=?
and reorderedp2_.oid=?
Where clearly the first and second parameters (the index and the type) have been permuted.
The relevant thread in the User forum is : http://forum.hibernate.org/viewtopic.php?t=979832
Attached are a java source file that demonstrates the error, and a zipped maven2 project that supplies the Hibernate, Hibernate-Annotation, H2, and Log4J dependencies.
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13 years, 11 months
[Hibernate-JIRA] Created: (HSEARCH-46) Race condition in manual index update
by Christian Bauer (JIRA)
Race condition in manual index update
-------------------------------------
Key: HSEARCH-46
URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-46
Project: Hibernate Search
Issue Type: Bug
Components: engine
Reporter: Christian Bauer
log.info("rebuilding Lucene index");
Class[] entityTypes = { Document.class, File.class, Comment.class, Faq.class};
EntityManager em = (EntityManager) Component.getInstance("entityManager");
FullTextSession ftSession = org.hibernate.search.Search.createFullTextSession( (Session) em.getDelegate() );
for (Class entityType : entityTypes) {
for (Object o : ((Session) em.getDelegate()).createCriteria(entityType).list()) {
ftSession.index(o);
}
}
08:23:39,419 INFO [WikiInit] rebuilding Lucene index
08:23:39,532 DEBUG [ManagedPersistenceContext] created seam managed persistence context from EntityManagerFactory
08:23:39,553 INFO [STDOUT] Hibernate: /* criteria query */ select this_.NODE_ID as NODE2_1_1_, this_.AREA_NR as AREA3_1_1_, this_.CREATED_BY_USER_ID as CREATED17_1_1_, this_.CREATED_ON as CREATED4_1_1_, this_.LAST_MODIFIED_BY_USER_ID as LAST18_1_1_, this_.LAST_MODIFIED_ON as LAST5_1_1_, this_.MENU_ITEM as MENU6_1_1_, this_.NAME as NAME1_1_, this_.PARENT_NODE_ID as PARENT20_1_1_, this_.READ_ACCESS_LEVEL as READ8_1_1_, this_.NODE_REVISION as NODE9_1_1_, this_.OBJ_VERSION as OBJ10_1_1_, this_.WIKINAME as WIKINAME1_1_, this_.WRITE_ACCESS_LEVEL as WRITE12_1_1_, this_.ENABLE_COMMENT_FORM as ENABLE14_1_1_, this_.ENABLE_COMMENTS as ENABLE15_1_1_, this_.NAME_AS_TITLE as NAME16_1_1_, node2_.NODE_ID as NODE2_1_0_, node2_.AREA_NR as AREA3_1_0_, node2_.CREATED_BY_USER_ID as CREATED17_1_0_, node2_.CREATED_ON as CREATED4_1_0_, node2_.LAST_MODIFIED_BY_USER_ID as LAST18_1_0_, node2_.LAST_MODIFIED_ON as LAST5_1_0_, node2_.MENU_ITEM as MENU6_1_0_, node2_.NAME as NAME1_0_, node2_.PARENT_NODE_ID as PARENT20_1_0_, node2_.READ_ACCESS_LEVEL as READ8_1_0_, node2_.NODE_REVISION as NODE9_1_0_, node2_.OBJ_VERSION as OBJ10_1_0_, node2_.WIKINAME as WIKINAME1_0_, node2_.WRITE_ACCESS_LEVEL as WRITE12_1_0_, node2_.DEFAULT_DOCUMENT_ID as DEFAULT19_1_0_, node2_.ENABLE_COMMENT_FORM as ENABLE14_1_0_, node2_.ENABLE_COMMENTS as ENABLE15_1_0_, node2_.NAME_AS_TITLE as NAME16_1_0_, node2_1_.CONTENT_TYPE as CONTENT1_2_0_, node2_1_.FILENAME as FILENAME2_0_, node2_1_.FILESIZE as FILESIZE2_0_, node2_1_.IMAGE_SIZE_X as IMAGE5_2_0_, node2_1_.IMAGE_SIZE_Y as IMAGE6_2_0_, node2_1_.IMAGE_THUMBNAIL as IMAGE7_2_0_, node2_.NODE_TYPE as NODE1_1_0_ from NODE this_ left outer join NODE node2_ on this_.PARENT_NODE_ID=node2_.NODE_ID left outer join NODE_FILE node2_1_ on node2_.NODE_ID=node2_1_.FILE_ID where this_.NODE_TYPE='DOCUMENT'
08:23:39,587 INFO [STDOUT] Hibernate: /* load org.jboss.seam.wiki.core.model.Node */ select node0_.NODE_ID as NODE2_1_1_, node0_.AREA_NR as AREA3_1_1_, node0_.CREATED_BY_USER_ID as CREATED17_1_1_, node0_.CREATED_ON as CREATED4_1_1_, node0_.LAST_MODIFIED_BY_USER_ID as LAST18_1_1_, node0_.LAST_MODIFIED_ON as LAST5_1_1_, node0_.MENU_ITEM as MENU6_1_1_, node0_.NAME as NAME1_1_, node0_.PARENT_NODE_ID as PARENT20_1_1_, node0_.READ_ACCESS_LEVEL as READ8_1_1_, node0_.NODE_REVISION as NODE9_1_1_, node0_.OBJ_VERSION as OBJ10_1_1_, node0_.WIKINAME as WIKINAME1_1_, node0_.WRITE_ACCESS_LEVEL as WRITE12_1_1_, node0_.DEFAULT_DOCUMENT_ID as DEFAULT19_1_1_, node0_.ENABLE_COMMENT_FORM as ENABLE14_1_1_, node0_.ENABLE_COMMENTS as ENABLE15_1_1_, node0_.NAME_AS_TITLE as NAME16_1_1_, node0_1_.CONTENT_TYPE as CONTENT1_2_1_, node0_1_.FILENAME as FILENAME2_1_, node0_1_.FILESIZE as FILESIZE2_1_, node0_1_.IMAGE_SIZE_X as IMAGE5_2_1_, node0_1_.IMAGE_SIZE_Y as IMAGE6_2_1_, node0_1_.IMAGE_THUMBNAIL as IMAGE7_2_1_, node0_.NODE_TYPE as NODE1_1_1_, node1_.NODE_ID as NODE2_1_0_, node1_.AREA_NR as AREA3_1_0_, node1_.CREATED_BY_USER_ID as CREATED17_1_0_, node1_.CREATED_ON as CREATED4_1_0_, node1_.LAST_MODIFIED_BY_USER_ID as LAST18_1_0_, node1_.LAST_MODIFIED_ON as LAST5_1_0_, node1_.MENU_ITEM as MENU6_1_0_, node1_.NAME as NAME1_0_, node1_.PARENT_NODE_ID as PARENT20_1_0_, node1_.READ_ACCESS_LEVEL as READ8_1_0_, node1_.NODE_REVISION as NODE9_1_0_, node1_.OBJ_VERSION as OBJ10_1_0_, node1_.WIKINAME as WIKINAME1_0_, node1_.WRITE_ACCESS_LEVEL as WRITE12_1_0_, node1_.DEFAULT_DOCUMENT_ID as DEFAULT19_1_0_, node1_.ENABLE_COMMENT_FORM as ENABLE14_1_0_, node1_.ENABLE_COMMENTS as ENABLE15_1_0_, node1_.NAME_AS_TITLE as NAME16_1_0_, node1_1_.CONTENT_TYPE as CONTENT1_2_0_, node1_1_.FILENAME as FILENAME2_0_, node1_1_.FILESIZE as FILESIZE2_0_, node1_1_.IMAGE_SIZE_X as IMAGE5_2_0_, node1_1_.IMAGE_SIZE_Y as IMAGE6_2_0_, node1_1_.IMAGE_THUMBNAIL as IMAGE7_2_0_, node1_.NODE_TYPE as NODE1_1_0_ from NODE node0_ left outer join NODE_FILE node0_1_ on node0_.NODE_ID=node0_1_.FILE_ID left outer join NODE node1_ on node0_.PARENT_NODE_ID=node1_.NODE_ID left outer join NODE_FILE node1_1_ on node1_.NODE_ID=node1_1_.FILE_ID where node0_.NODE_ID=?
08:23:39,654 INFO [STDOUT] Hibernate: /* criteria query */ select this_.COMMENT_ID as COMMENT1_4_0_, this_.CREATED_ON as CREATED2_4_0_, this_.DOCUMENT_ID as DOCUMENT9_4_0_, this_.FROM_USER_EMAIL as FROM3_4_0_, this_.FROM_USER_HOMEPAGE as FROM4_4_0_, this_.FROM_USER_NAME as FROM5_4_0_, this_.SUBJECT as SUBJECT4_0_, this_.COMMENT_TEXT as COMMENT7_4_0_, this_.OBJ_VERSION as OBJ8_4_0_ from COMMENTS this_
08:23:39,662 INFO [STDOUT] Hibernate: /* criteria query */ select this_.FAQ_ID as FAQ1_7_0_, this_.ANSWER as ANSWER7_0_, this_.CREATED_ON as CREATED3_7_0_, this_.QUESTION as QUESTION7_0_, this_.RATING as RATING7_0_, this_.OBJ_VERSION as OBJ6_7_0_ from FAQ this_
08:23:39,665 DEBUG [Work] committing transaction
08:23:39,807 ERROR [AssertionFailure] an assertion failure occured (this may indicate a bug in Hibernate)
org.hibernate.annotations.common.AssertionFailure: Tries to read for update a index while a writer is accessedclass org.jboss.seam.wiki.core.model.Document
at org.hibernate.search.backend.Workspace.getIndexReader(Workspace.java:54)
at org.hibernate.search.backend.impl.lucene.LuceneWorker.remove(LuceneWorker.java:81)
at org.hibernate.search.backend.impl.lucene.LuceneWorker.performWork(LuceneWorker.java:69)
at org.hibernate.search.backend.impl.lucene.LuceneWorker.performWork(LuceneWorker.java:40)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueProcessor.run(LuceneBackendQueueProcessor.java:36)
at org.hibernate.search.backend.impl.BatchedQueueingProcessor.performWork(BatchedQueueingProcessor.java:116)
at org.hibernate.search.backend.impl.PostTransactionWorkQueueSynchronization.afterCompletion(PostTransactionWorkQueueSynchronization.java:49)
at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:136)
at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:342)
at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:95)
at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)
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13 years, 11 months
[Hibernate-JIRA] Created: (HHH-2220) session.createSQLQuery(sql) translates database type CHAR(n) to Java type char instead of String
by Regis Pires Magalhaes (JIRA)
session.createSQLQuery(sql) translates database type CHAR(n) to Java type char instead of String
------------------------------------------------------------------------------------------------
Key: HHH-2220
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2220
Project: Hibernate3
Type: Bug
Components: query-sql
Versions: 3.2.0.ga
Reporter: Regis Pires Magalhaes
createSQLQuery() method translates database type CHAR(n) to Java type char instead of String when using setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP).
That happens when I do not use addScalar(). And that is the only problem that I have found when not filling return types in advance.
A workaround I have made is to concatenate the projected field with an empty string (''). See example below:
...
query.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP);
String sqlQuery = "select s.name state from state s where s.name='PI' ";
query = session.createSQLQuery(sqlQuery);
...
result: [{STATE=P}]
name field is CHAR(2) in database definition (PostgreSQL, HSQLDB and Oracle were tested).
Note that it works when I concatenate the field used in projection with an empty string:
...
String sqlQuery = "select s.name || '' state from state s where s.name='PI' ";
...
result: [{STATE=PI}]
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13 years, 11 months