has MetaData yet the class cant be found - maven

Question

Employee.java
#Entity
#Table(name="EMPLOYEE",
uniqueConstraints = { #UniqueConstraint(columnNames={"EMPNO"}) })
public class Employee implements Serializable {
#Id
#Column(name="EMPNO")
private String empNo;
#Column(name="FIRSTNAME")
private String firstName;
#Column(name="midInit")
private char midInit;
#Column(name="LASTNAME")
private String lastName;
#OneToMany(fetch=FetchType.LAZY, mappedBy = "id.employee")
Set<EmployeeSchedule> schedules;
.....
Schedule.java
#Entity
#Table(name="SCHEDULE_SLOT", uniqueConstraints = { #UniqueConstraint
(columnNames= {"SLOTNO"})})
public class ScheduleSlot implements Serializable{
#Id #Column(name="SLOTNO")
private String slotNo;
#Column(name="SLOTSTART")
private Date slotStart;
#Column(name="SLOTEND")
private Date slotEnd;
#OneToMany(fetch=FetchType.LAZY, mappedBy="id.schedule")
private Set<Employee> employees ;//= new HashSet<Employee>() ;
....
EmployeeSchedule.java
#Entity
#Table(name="EMPLOYEE_SCHEDULE")
#AssociationOverrides(
{ #AssociationOverride
( name = "id.employee",
joinColumns = #JoinColumn(name = "empNo")),
#AssociationOverride
( name = "id.schedule",
joinColumns = #JoinColumn(name = "slotNo"))
})
public class EmployeeSchedule {
#EmbeddedId
EmployeeSchedulePK id;
#Column(name="available")
private boolean available;
#Column(name="UPDATEDON")
private Date updatedOn;
#Column(name="UPDATEDBY")
#ManyToOne(fetch=FetchType.LAZY)
#JoinColumn(name="updatedBy")
private String updatedBy;
public EmployeeSchedule() {}
public EmployeeSchedule(EmployeeSchedulePK id) {
this.id = id;
}
......
EmployeeSchedulePK .java
#Embeddable
public class EmployeeSchedulePK implements Serializable {
#ManyToOne
private Employee employee;
#ManyToOne
private ScheduleSlot schedule;
public EmployeeSchedulePK() {
}
...
When doing maven install I get the following error. Please advice.. thanks
DataNucleus Enhancer (version 3.1.0.release) : Enhancement of classes
Class "com.co.dsp.iwork.entity.EmployeeSchedule" has MetaData yet the class cant be found. Please check your CLASSPATH specifications.
DataNucleus Enhancer completed with an error. Please review the enhancer log for full details. Some classes may have been enhanced but some caused errors
the dataneucleaus log shows: -
Class "com.co.dsp.iwork.entity.EmployeeSchedule" : Populating Meta-Data
13:22:59,059 (main) DEBUG [DataNucleus.MetaData] - Class "com.co.dsp.iwork.entity.EmployeeSchedule" field "employee" : adding Meta-Data for field embedded in class "com.co.dsp.iwork.entity.EmployeeSchedulePK" since it didnt appear in the Meta-Data definition.
13:22:59,059 (main) DEBUG [DataNucleus.MetaData] - Class "com.co.dsp.iwork.entity.EmployeeSchedule" field "schedule" : adding Meta-Data for field embedded in class "com.co.dsp.iwork.entity.EmployeeSchedulePK" since it didnt appear in the Meta-Data definition.
13:22:59,060 (main) ERROR [DataNucleus.MetaData] - *Class "com.co.dsp.iwork.entity.#UNKNOWN.id" has MetaData yet the class cant be found. Please check your CLASSPATH specifications.*
13:22:59,061 (main) DEBUG [DataNucleus.MetaData] - org.datanucleus.metadata.InvalidClassMetaDataException: Class "com.co.dsp.iwork.entity.EmployeeSchedule" has MetaData yet the class cant be found. Please check your CLASSPATH specifications.
13:22:59,063 (main) ERROR [DataNucleus.Enhancer] - DataNucleus Enhancer completed with an error. Please review the enhancer log for full details. Some classes may have been enhanced but some caused errors
Class "com.co.dsp.iwork.entity.EmployeeSchedule" has MetaData yet the class cant be found. Please check your CLASSPATH specifications.
org.datanucleus.metadata.InvalidClassMetaDataException: Class "com.co.dsp.iwork.entity.EmployeeSchedule" has MetaData yet the class cant be found. Please check your CLASSPATH specifications.
at org.datanucleus.metadata.ClassMetaData.populateMemberMetaData(ClassMetaData.java:464)
at org.datanucleus.metadata.ClassMetaData.populate(ClassMetaData.java:210)
at org.datanucleus.metadata.MetaDataManager$1.run(MetaDataManager.java:2699)
at java.security.AccessController.doPrivileged(Native Method)
at org.datanucleus.metadata.MetaDataManager.populateAbstractClassMetaData(MetaDataManager.java:2693)
at org.datanucleus.metadata.MetaDataManager.populateFileMetaData(MetaDataManager.java:2516)
at org.datanucleus.metadata.MetaDataManager.initialiseFileMetaDataForUse(MetaDataManager.java:1123)
at org.datanucleus.metadata.MetaDataManager.loadPersistenceUnit(MetaDataManager.java:986)
at org.datanucleus.enhancer.DataNucleusEnhancer.getFileMetadataForInput(DataNucleusEnhancer.java:793)
at org.datanucleus.enhancer.DataNucleusEnhancer.enhance(DataNucleusEnhancer.java:525)
at org.datanucleus.enhancer.DataNucleusEnhancer.main(DataNucleusEnhancer.java:1258)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.datanucleus.maven.AbstractDataNucleusMojo.executeInJvm(AbstractDataNucleusMojo.java:333)
at org.datanucleus.maven.AbstractEnhancerMojo.enhance(AbstractEnhancerMojo.java:249)
at org.datanucleus.maven.AbstractEnhancerMojo.executeDataNucleusTool(AbstractEnhancerMojo.java:72)
at org.datanucleus.maven.AbstractDataNucleusMojo.execute(AbstractDataNucleusMojo.java:126)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
POM.xml :-
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.co.dsp</groupId>
<artifactId>dsp.dsp-iwork</artifactId>
<version>0.6.0-SNAPSHOT</version>
<name>DSP-iWork</name>
<packaging>jar</packaging>
<properties>
<maven.test.skip>true</maven.test.skip>
<dsp.version>0.6.0-SNAPSHOT</dsp.version>
<equinox.ver>3.7.0.v20110613</equinox.ver>
<spring.maven.artifact.version>3.0.5.RELEASE</spring.maven.artifact.version>
<slf4j.version>1.6.1</slf4j.version>
<spring.osgi.version>1.2.1</spring.osgi.version>
</properties>
<dependencies>
<dependency><groupId>com.co.dsp</groupId>
<artifactId>dsp.kernel</artifactId>
<version>${dsp.version}</version>
</dependency>
<dependency><groupId>org.datanucleus</groupId>
<artifactId>datanucleus-core</artifactId>
<version>3.1.1</version>
<scope>runtime</scope>
</dependency><dependency><groupId>com.co.dsp</groupId>
<artifactId>dsp.dsi.das.dbconnection</artifactId>
<version>${dsp.version}</version>
</dependency><dependency>
<groupId>com.co.dsp</groupId>
<artifactId>dsp.dsi.das.core</artifactId>
<version>${dsp.version}</version>
</dependency>
<dependency><groupId>com.co.dsp</groupId>
<artifactId>dsp.dsi.das.api</artifactId>
<version>${dsp.version}</version>
</dependency>
<dependency><groupId>com.co.dsp</groupId>
<artifactId>dsp.dsi.dups.core</artifactId>
<version>${dsp.version}</version>
</dependency><dependency>
<groupId>com.co.dsp</groupId>
<artifactId>dsp.dsi.dups.api</artifactId>
<version>${dsp.version}</version>
</dependency><dependency>
<groupId>com.co.dsp</groupId>
<artifactId>dsp.dsi.scheduler</artifactId>
<version>${dsp.version}</version>
</dependency><dependency>
<groupId>com.co.dsp</groupId>
<artifactId>das-maven-plugin</artifactId>
<version>${dsp.version}</version>
</dependency>
</dependencies>
<repositories>
<repository><id>nexus</id>
<url>http://sjc1ssadsp01.crd.co.com:8081/nexus/content/groups/public</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>nexus</id>
<url>http://sjc1ssadsp01.crd.co.com:8081/nexus/content/groups/public</url>
</pluginRepository>
<pluginRepository>
<id>maven-repo</id>
<name>maven repo</name>
<url>http://repo.maven.apache.org/maven2/</url>
</pluginRepository>
<pluginRepository>
<id>com.springsource.repository.bundles.milestone</id>
<name> SpringSource Enterprise Bundle Repository - SpringSource Milestone
Releases</name>
<url>http://repository.springsource.com/maven/bundles/milestone</url>
</pluginRepository>
</pluginRepositories>
<build><plugins><plugin>
<groupId>org.datanucleus</groupId>
<artifactId>maven-datanucleus-plugin</artifactId>
<version>3.0.1</version>
<configuration>
<fork>false</fork>
<log4jConfiguration>${basedir}/log4j.properties</log4jConfiguration>
<verbose>true</verbose>
<enhancerName>ASM</enhancerName>
<persistenceUnitName>WorkPersistenceUnit</persistenceUnitName>
</configuration><executions><execution>
<phase>compile</phase><goals><goal>enhance</goal></goals></execution></executions>
</plugin><plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.3.7</version>
<extensions>false</extensions><executions> <execution>
<id>bundle</id> <phase>package</phase><goals>
<goal>bundle</goal></goals></execution></executions>
<configuration>
<instructions>
<Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
<Bundle-Name>DSP iWork Integration</Bundle-Name>
<Bundle-Version>${dsp.version}</Bundle-Version>
<Bundle-Classpath>.</Bundle-Classpath>
<Import-Package>javax.persistence,com.co.dsp.dsi.scheduler,org.apache.log4j,
com.co.dsp.kernel.spi;version="0.3",com.co.dsp.kernel.util;version="0.3",
com.co.dsp.dsi.dups.api;version="0.3",com.co.dsp.dsi.dups.constants;version="0.3",
com.co.dsp.dsi.dups.exception,com.co.dsp.dsi.config,org.springframework.beans.factory,
org.springframework.osgi.context,org.springframework.osgi.util,
org.osgi.framework;version="1.5",com.co.dsp.dsi.das.api,javax.jdo,
javax.jdo.identity, javax.jdo.spi</Import-Package></instructions></configuration>
</plugin></plugins>
</build>
</project>
updating partial message after executing: mvn clean process-classes -X
[DEBUG]Writing resolution tracking file C:\Users\502128830\.m2
\repository\asm\asm\resolver-status.properties
[DEBUG]Could not find metadata asm:asm/maven-metadata.xml in
com.springsource.repository.bundles.milestone
(http://repository.springsource.com/maven/bundles/milestone)
[DEBUG]Could not find metadata asm:asm/maven-metadata.xml in DN_M2_Repo
(http://www.datanucleus.org/downloads/maven2/)
[WARNING]Could not transfer metadata asm:asm/maven-metadata.xml from/to
local.repository (file:../../local.repository/trunk): No connector available to access
repository local.repository (file:../../local.repository/trunk) of type leg
acy using the available factories WagonRepositoryConnectorFactory
org.sonatype.aether.transfer.MetadataTransferException: Could not transfer metadata
asm:asm/maven-metadata.xml from/to local.repository
(file:../../local.repository/trunk): No connector available to access repository
local.repository (
file:../../local.repository/trunk) of type legacy using the available factories
WagonRepositoryConnectorFactory
at org.sonatype.aether.impl.internal.DefaultMetadataResolver$ResolveTask.run
(DefaultMetadataResolver.java:588)
at org.sonatype.aether.util.concurrency.RunnableErrorForwarder$1.run
(RunnableErrorForwarder.java:60)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask
(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run
(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.sonatype.aether.transfer.NoRepositoryConnectorException: No connector
available to access repository local.repository (file:../../local.repository/trunk)
of type legacy using the available factories WagonRepositoryConnec
torFactory
at
org.sonatype.aether.impl.internal.DefaultRemoteRepositoryManager.getRepositoryConnector
(DefaultRemoteRepositoryManager.java:400)
at org.sonatype.aether.impl.internal.DefaultMetadataResolver$ResolveTask.run
(DefaultMetadataResolver.java:559)
... 4 more
[DEBUG]Could not find metadata asm:asm/maven-metadata.xml in local (C:\Users\502128830
\.m2\repository)
[INFO]--- maven-datanucleus-plugin:3.0.1:enhance (default) # dsp.dsp-iwork ---
[DEBUG]Could not find metadata org.datanucleus:datanucleus-core/maven-metadata.xml in
local (C:\Users\502128830\.m2\repository)
[WARNING]Could not transfer metadata asm:asm/maven-metadata.xml from/to
local.repository (file:../../local.repository/trunk): No connector available to access
repository
local.repository (file:../../local.repository/trunk) of type leg
acy using the available factories WagonRepositoryConnectorFactory
org.sonatype.aether.transfer.MetadataTransferException: Could not transfer metadata
asm:asm/maven-metadata.xml from/to local.repository
(file:../../local.repository/trunk): No connector available to access repository
local.repository (
file:../../local.repository/trunk) of type legacy using the available factories
WagonRepositoryConnectorFactory
at org.sonatype.aether.impl.internal.DefaultMetadataResolver$ResolveTask.run
(DefaultMetadataResolver.java:588)
at org.sonatype.aether.util.concurrency.RunnableErrorForwarder$1.run
(RunnableErrorForwarder.java:60)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run
(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.sonatype.aether.transfer.NoRepositoryConnectorException: No connector
available to access repository local.repository (file:../../local.repository/trunk)
of type legacy using the available factories WagonRepositoryConnec
torFactory
at
org.sonatype.aether.impl.internal.DefaultRemoteRepositoryManager.getRepositoryConnector
(DefaultRemoteRepositoryManager.java:400)
at org.sonatype.aether.impl.internal.DefaultMetadataResolver$ResolveTask.run
(DefaultMetadataResolver.java:559)
... 4 more

Answer 1

Could you post your pom ?
You want to work on bytecode with DataNucleus Enhancer.
Your plugin is bound to compile phase, which is wrong, as it works on compiled classes.
You should bind it to process-classes instead.