[Hibernate-JIRA] Created: (HSEARCH-306) Problem with composite key
by Mohit Khopkar (JIRA)
Problem with composite key
--------------------------
Key: HSEARCH-306
URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-306
Project: Hibernate Search
Issue Type: Bug
Components: query
Affects Versions: 3.1.0.CR1
Reporter: Mohit Khopkar
Attachments: hibernate jira.zip
When a composite key is used and more than one results are expected , the values passed to the query are not in a proper expected order.
In the below query the parameters passed are (A00, A00),(A00, 1),(2,5) ....instead of the correct order which should be (A00,1) ,(A00,2), (A00,5)
(I have omitted the select part)..
..
where ((this_.key_client, this_.key_identifier) in ((?, ?), (?, ?), (?, ?)))
I tried to debug this issue and found that in the class org.hibernate.criterion.InExpression, the method getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery) has 2 for loops , one for types and other for values. I get 2 types CustomType and LongType and so for each type it retrieves the value and adds it in the list in the order A00,A00,A00,1,2,5
I have attached the source code for your reference.
For more information, refer to the below topic on the hibernate forums:
http://forums.hibernate.org/viewtopic.php?t=992121&sid=16e54abb3dbc45d314...
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14 years, 7 months
[Hibernate-JIRA] Created: (HHH-3164) "id in ..." with EmbeddedId and criteria API
by Bartosz Jablonski (JIRA)
"id in ..." with EmbeddedId and criteria API
--------------------------------------------
Key: HHH-3164
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3164
Project: Hibernate3
Issue Type: Bug
Components: query-criteria
Affects Versions: 3.2.6
Environment: hibrenate 3.2.5 hibernate-annotations 3.3.0, database - h2, postgresql, h2
Reporter: Bartosz Jablonski
Attachments: test.zip
This issue arised when I was debugging hibernate search, which wasn't retriving entities from query.
Problem is using query like 'entity.id in ...' with criteria api and embeddedId.
Let's say that we have classes:
@Entity
public class SomeEntity implements Serializable {
@Id
private SomeEntityId id;
(...)
}
@Embeddable
public class SomeEntityId implements Serializable {
private Integer id;
private Integer version;
(...)
}
In database there are rows:
(id,version)
1,11
1,12
10,21
10,22
10,23
Now I want to retrive rows with id (1,12) and (10,23) using Criteria API:
List ids = new ArrayList<SomeEntityId>(2);
ids.add( new SomeEntityId(1,12) );
ids.add( new SomeEntityId(10,23) );
Criteria criteria = session.createCriteria( SomeEntity.class );
Disjunction disjunction = Restrictions.disjunction();
disjunction.add( Restrictions.in( "id", ids ) );
criteria.add( Restrictions.in( "id", ids ) );
hibernate returns no rows, because it constructs query like this:
select this_.id as id0_0_, this_.version as version0_0_, this_.prop as prop0_0_ from SomeEntity this_ where (this_.id, this_.version) in ((1, 10), (12, 23))
instead of
select * from SomeEntity where (id, version) in ((1, 12), (10, 23))
As example I attached maven project which is using h2 database - just run class test.App
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14 years, 7 months
[Hibernate-JIRA] Created: (EJB-431) JPA/Hibernate on websphere 6.1
by pooja gupta (JIRA)
JPA/Hibernate on websphere 6.1
------------------------------
Key: EJB-431
URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-431
Project: Hibernate Entity Manager
Issue Type: Bug
Components: EntityManager
Affects Versions: 3.4.0.GA
Environment: Oracle 10g, WebSphere Platform 6.1 [EJB3 6.1.0.19 cf190834.03] [BASE 6.1.0.19 cf190836.04] [WEB2FEP 1.0.0.1 web20835.6] [WEBSERVICES 6.1.0.19 cf190834.03] , OS - Windows XP, Version 5.1 build 2600 Service Pack 2
Reporter: pooja gupta
Priority: Critical
Attachments: jpa_hib_err.rtf, server-console.rtf
We are trying to use JPA/Hibernate for our database operations, application being deployed on WAS 6.1. Now when JPA provider is configured to use Websphere's default JPA provider or Open JPA, the things work. However, it fails to create the entity manager factory when the provider is changed to Hibernate. The exception thrown is not very specific.
Any help would be appreciated. We are using following jars
commons-collections.jar
commons-configuration-1.4.jar
commons-lang-2.3.jar
commons-logging-1.1.1.jar
dom4j.jar
hibernate3.jar
hibernate-annotations.jar
hibernate-commons-annotations.jar
hibernate-core.jar
hibernate-entitymanager.jar
ojdbc14.jar
log4j.jar
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14 years, 7 months
[Hibernate-JIRA] Created: (HHH-2142) PersistentMap.put(), remove() may return UNKNOWN object that can cause ClassCastException in client code
by Andrzej Miazga (JIRA)
PersistentMap.put(), remove() may return UNKNOWN object that can cause ClassCastException in client code
--------------------------------------------------------------------------------------------------------
Key: HHH-2142
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2142
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.0.cr5
Reporter: Andrzej Miazga
Here is some code in Hibernate 3.2.0cr5 that may cause this behaviour. I'm not sure if this is a bug but it surely affects the client code.
AbstractPersistentCollection:
protected Object readElementByIndex(Object index) {
if (!initialized) {
...
return persister.getElementByIndex( entry.getLoadedKey(), index, session, owner );
}
...
return UNKNOWN;
}
PersistentMap (extends AbstractPersistentCollection):
public Object put(Object key, Object value) {
if ( isPutQueueEnabled() ) {
Object old = readElementByIndex( key );
queueOperation( new Put( key, value, old ) );
return old;
}
...
So, there is a possibility to return UNKNOWN instance (MarkerObject) to the client code as the result of Map.put().
In version 3.1.3 this worked fine, but the implementation was different:
public Object put(Object key, Object value) {
Object old = isPutQueueEnabled() ?
readElementByIndex(key) : UNKNOWN;
if ( old==UNKNOWN ) {
write();
return map.put(key, value);
}
...
}
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14 years, 7 months
[Hibernate-JIRA] Created: (HHH-3226) HQL/JPQL query with where clause expression involving mulitple correlated subqueries does not parse
by Bob Tiernay (JIRA)
HQL/JPQL query with where clause expression involving mulitple correlated subqueries does not parse
---------------------------------------------------------------------------------------------------
Key: HHH-3226
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3226
Project: Hibernate3
Issue Type: Bug
Affects Versions: 3.2.6
Reporter: Bob Tiernay
The following named query will not parse:
@NamedQuery(name = "Account.findTotalInactiveCount", query = "SELECT COUNT(a) FROM Account a WHERE a.status.name NOT IN ('nst', 'ncl') AND a.seed = FALSE AND (SELECT CURRENT_DATE - MAX(t.date) FROM Trade t WHERE a.id IN (t.purchaser.id, t.seller.id)) > 183 AND ((SELECT SUM(t1.asset.price.value * t1.numberOfUnits) FROM Trade t1 WHERE t1.purchaser.id = a.id) - (SELECT SUM(t2.totalPrice * t2.numberOfUnits) FROM Trade t2 WHERE t2.seller.id = a.id) + (SELECT SUM(gl.debit) - SUM(gl.credit) FROM GeneralLedger gl WHERE gl.glAccount.id = 15 AND gl.account.id = a.id)) > 150.00")
The error(s) issued from Hibernate are:
0 [main] ERROR org.hibernate.hql.PARSER - <AST>:0:0: unexpected AST node: query
15 [main] ERROR org.hibernate.hql.PARSER - <AST>:0:0: unexpected AST node: query
For readability, I have formatted the query:
SELECT COUNT(a)
FROM Account a
WHERE a.status.name NOT IN ('nst', 'ncl') AND
a.seed = FALSE AND
(
SELECT CURRENT_DATE - MAX(t.date)
FROM Trade t
WHERE a.id IN (t.purchaser.id, t.seller.id)
) > 183 AND
(
(SELECT SUM(t1.asset.price.value * t1.numberOfUnits)
FROM Trade t1
WHERE t1.purchaser.id = a.id) -
(SELECT SUM(t2.totalPrice * t2.numberOfUnits)
FROM Trade t2
WHERE t2.seller.id = a.id) +
(SELECT SUM(gl.debit) - SUM(gl.credit)
FROM GeneralLedger gl
WHERE gl.glAccount.id = 15 AND
gl.account.id = a.id)
) > 150.00
As an aside, I've tried reproducing this query using the Criteria API with no luck. There doesn't seem to be a way to combine the results of subqueries for comparison.
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14 years, 7 months
[Hibernate-JIRA] Created: (HHH-2421) Cascading Delete In Wrong Order
by CannonBall (JIRA)
Cascading Delete In Wrong Order
-------------------------------
Key: HHH-2421
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2421
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.1
Environment: Hibernate 3.2.1, Java5, MySQL 5 (InnoDB)
Reporter: CannonBall
Priority: Trivial
Mapping Document:
<hibernate-mapping>
<class name="scratchpad.hibernate.A">
<id name="id">
<generator class="increment"/>
</id>
<list name="bs" cascade="all,delete-orphan">
<key column="bId"/>
<list-index column="idx"/>
<one-to-many class="scratchpad.hibernate.B"/>
</list>
</class>
<class name="scratchpad.hibernate.B">
<id name="id">
<generator class="increment"/>
</id>
<many-to-one name="a" column="aId" insert="false" update="false"/>
<many-to-one name="c" column="cId" not-null="false"/>
</class>
<class name="scratchpad.hibernate.C">
<id name="id">
<generator class="increment"/>
</id>
</class>
</hibernate-mapping>
Code between sessionFactory.openSession() and session.close():
long id;
SessionFactory factory = new Configuration().configure()
.buildSessionFactory();
try {
Session s = factory.openSession();
try {
Transaction tx = s.beginTransaction();
try {
C c = new C();
s.save(c);
B b = new B();
b.setC(c);
A a = new A();
a.getBs().add(b);
s.save(a);
tx.commit();
id = b.getId();
} catch (Exception e) {
try {
tx.rollback();
} catch (Exception e2) {
// do nothing
}
throw e;
}
} finally {
s.close();
}
s = factory.openSession();
try {
Transaction tx = s.beginTransaction();
try {
A a = (A) s.load(A.class, id);
B b = a.getBs().get(0);
a.getBs().remove(b);
s.delete(b.getC());
tx.commit();
} catch (Exception e) {
try {
tx.rollback();
} catch (Exception e2) {
// do nothing
}
throw e;
}
} finally {
s.close();
}
} finally {
factory.close();
}
The generated SQL (show_sql=true):
Hibernate: select max(id) from C
Hibernate: select max(id) from A
Hibernate: select max(id) from B
Hibernate: insert into C (id) values (?)
Hibernate: insert into A (id) values (?)
Hibernate: insert into B (cId, id) values (?, ?)
Hibernate: update B set bId=?, idx=? where id=?
Hibernate: select a0_.id as id0_0_ from A a0_ where a0_.id=?
Hibernate: select bs0_.bId as bId1_, bs0_.id as id1_, bs0_.idx as idx1_, bs0_.id as id1_0_, bs0_.aId as aId1_0_, bs0_.cId as cId1_0_ from B bs0_ where bs0_.bId=?
Hibernate: select c0_.id as id2_0_ from C c0_ where c0_.id=?
Hibernate: update B set cId=? where id=?
Hibernate: update B set bId=null, idx=null where bId=?
Hibernate: delete from C where id=?
Hibernate: delete from B where id=?
When you have a collection that is mapped with a cascade of 'delete-orphan', when removing an entity from the collection, the corresponding orphan delete is scheduled at the end of the session's deletions queue. As you can see from my example above, when you have a relationship of A has a list of B's, B has a relationship with C, removing B from the A's list results in its deletion after C's deletion (despite the order of statements dictating C's deletion after B's). If I were to make B's relationship to C not-null, the above code would result in a FK constraint error as C would be removed before B.
You could force the correct removal of B before C with a manual delete of B like so:
A a = (A) s.load(A.class, id);
B b = a.getBs().get(0);
C c = b.getC();
a.getBs().remove(b);
s.delete(b);
s.delete(c);
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14 years, 7 months
[Hibernate-JIRA] Created: (HHH-2390) select clause alias in HQL is mapped incosistently in SQL.
by Natto Lover (JIRA)
select clause alias in HQL is mapped incosistently in SQL.
----------------------------------------------------------
Key: HHH-2390
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2390
Project: Hibernate3
Type: Bug
Components: query-hql
Versions: 3.2.2
Environment: Win2K+JDK1.5+Eclipse3.2.1+Hibernate3.2.2, Solaris Express x86+MySQL5
Reporter: Natto Lover
Attachments: HQLTest.zip
Hi. I was told at the users forum to post a test case here.
I give an alias to an expression in the select clause, try to refer it in the where clause. In SQL, Hibernate replaces the alias in the select clause, but leaves the original text in the where clause.
This is the HQL:
select (p.endDate - p.startDate) as period, p
from Project as p
where period > :period_length
See above where the alias 'period' appears.
Now, This is the resulting SQL: select
project0_.end_date-project0_.start_date as col_0_0_,
project0_.id as col_1_0_,
project0_.id as id0_,
project0_.name as name0_,
project0_.start_date as start3_0_,
project0_.end_date as end4_0_
from PROJECT project0_ where period>?
Note above the 'period' that was in the select clause is replaced with machine generated "col_0_0_", but that is not applied for the alias in the where clause.
Please find attached a test case archive.
Two HQL statements are tried. One uses the alias in the where clause, the other one uses the alias in the order by clause.
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14 years, 7 months
[Hibernate-JIRA] Created: (HHH-2990) Bad usage of ClassLoader.loadClass() for Java6 in SerializationHelper$CustomObjectInputStream - deserialization bottleneck for arrays
by Tom Eicher (JIRA)
Bad usage of ClassLoader.loadClass() for Java6 in SerializationHelper$CustomObjectInputStream - deserialization bottleneck for arrays
-------------------------------------------------------------------------------------------------------------------------------------
Key: HHH-2990
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2990
Project: Hibernate3
Issue Type: Bug
Affects Versions: 3.2.5
Environment: Hibernate 3.2.5, Java 6 Sun (any), any platform (tested Linux x64, Mac x64 (J6dp1))
Reporter: Tom Eicher
Sun has "clarified" (others say modified) the API of "ClassLoader.loadClass()" and no longer allows this to be called for arrays, e.g. String[].
( see: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6500212 and duplicates )
and states that this has always been very unstable to use/do in the first place.
So trying to load an array of something using this method results in ClassNotFoundException.
The correct thing to do is call Class.forName(className,false,myClassLoader); instead of myClassLoader.loadClass(className);
In SerializationHelper$CustomObjectInputStream.resolveClass() we do
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try {
resolvedClass = loader.loadClass(className);
log.trace("Class resolved through context class loader");
}
catch(ClassNotFoundException e) {
log.trace("Asking super to resolve");
resolvedClass = super.resolveClass(v);
}
which results in the deserialization process for a String[] always searching String[] in all the application's jars/wars/etc before really loading it.
The bad thing is, loadClass() is synchronized.
In our case, we have multiple threads loading database rows containing String[]s, which results in one Thread doing
INFO | jvm 1 | 2007/11/30 16:56:44 | java.lang.Thread.State: RUNNABLE
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.util.zip.ZipFile.getEntry(Native Method)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.util.zip.ZipFile.getEntry(ZipFile.java:149)
INFO | jvm 1 | 2007/11/30 16:56:44 | - locked <0x00002aaab4047c20> (a java.util.jar.JarFile)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.util.jar.JarFile.getEntry(JarFile.java:206)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.util.jar.JarFile.getJarEntry(JarFile.java:189)
INFO | jvm 1 | 2007/11/30 16:56:44 | at sun.misc.URLClassPath$JarLoader.getResource(URLClassPath.java:754)
INFO | jvm 1 | 2007/11/30 16:56:44 | at sun.misc.URLClassPath.getResource(URLClassPath.java:168)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.net.URLClassLoader$1.run(URLClassLoader.java:192)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.security.AccessController.doPrivileged(Native Method)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
INFO | jvm 1 | 2007/11/30 16:56:44 | - locked <0x00002aaab4025998> (a org.apache.catalina.loader.StandardClassLoader)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
INFO | jvm 1 | 2007/11/30 16:56:44 | - locked <0x00002aaab4095a68> (a org.apache.catalina.loader.StandardClassLoader)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1346)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1205)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.hibernate.util.SerializationHelper$CustomObjectInputStream.resolveClass(SerializationHelper.java:263)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1624)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.hibernate.util.SerializationHelper.deserialize(SerializationHelper.java:210)
and all other threads doing nothing
INFO | jvm 1 | 2007/11/30 16:56:44 | java.lang.Thread.State: BLOCKED (on object monitor)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.lang.ClassLoader.loadClass(ClassLoader.java:295)
INFO | jvm 1 | 2007/11/30 16:56:44 | - waiting to lock <0x00002aaab4095a68> (a org.apache.catalina.loader.StandardClassLoader)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1346)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1205)
INFO | jvm 1 | 2007/11/30 16:56:44 | at org.hibernate.util.SerializationHelper$CustomObjectInputStream.resolveClass(SerializationHelper.java:263)
INFO | jvm 1 | 2007/11/30 16:56:44 | at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
(rest of stack trace identical to above)
This can easily be worked around by setting the compatibility property
-Dsun.lang.ClassLoader.allowArraySyntax=true
however a) this workaround might not be around for long and b) most people will never find this bottleneck, therefore will not apply the workaround.
For our case, we got a 35% performance increase just be setting this property (and not a single loadClass() or ZipFile.getEntry() in any thread dump any more).
Cheers, Tom.
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14 years, 7 months