[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-1095) Near Real Time produces NullPointerExceptions in background worker thread on flush at first operation when no search ever happened

Near Real Time produces NullPointerExceptions in background worker thread on flush at first operation when no search ever happened ---------------------------------------------------------------------------------------------------------------------------------- Key: HSEARCH-1095 URL: https://hibernate.onjira.com/browse/HSEARCH-1095 Project: Hibernate Search Issue Type: Bug Components: engine Affects Versions: 4.1.0.Final Reporter: Emmanuel Bernard Assignee: Sanne Grinovero Labels: candidate_for_next {code} 13:34:02,078 ERROR [org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask] (Hibernate Search: Index updates queue processor for index org.jboss.as.quickstarts.kitchensink.model.Member-1) HSEARCH000073: Error in backend: java.lang.NullPointerException at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.flush(NRTWorkspaceImpl.java:171) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.afterTransactionApplied(NRTWorkspaceImpl.java:79) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:138) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask.run(FutureTask.java:138) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_31] at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_31] 13:34:02,099 ERROR [org.hibernate.search.exception.impl.LogErrorHandler] (Hibernate Search: Index updates queue processor for index org.jboss.as.quickstarts.kitchensink.model.Member-1) HSEARCH000058: Exception occurred java.lang.NullPointerException Primary Failure: Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 1 Work Type org.hibernate.search.backend.AddLuceneWork Subsequent failures: Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 2 Work Type org.hibernate.search.backend.AddLuceneWork Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 3 Work Type org.hibernate.search.backend.AddLuceneWork Entity org.jboss.as.quickstarts.kitchensink.model.Member Id 4 Work Type org.hibernate.search.backend.AddLuceneWork java.lang.NullPointerException at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.flush(NRTWorkspaceImpl.java:171) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.NRTWorkspaceImpl.afterTransactionApplied(NRTWorkspaceImpl.java:79) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:138) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67) [hibernate-search-engine-4.1.0.Final.jar:4.1.0.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [classes.jar:1.6.0_31] at java.util.concurrent.FutureTask.run(FutureTask.java:138) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_31] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_31] at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_31] {code} {code}@Entity @XmlRootElement @Table(uniqueConstraints = @UniqueConstraint(columnNames = "email")) @Indexed public class Member implements Serializable { /** Default value included to remove warning. Remove or modify at will. **/ private static final long serialVersionUID = 1L; @Id @GeneratedValue private Long id; @NotNull @Size(min = 1, max = 25) @Pattern(regexp = "[A-Za-z ]*", message = "must contain only letters and spaces") @Field private String name; @NotNull @NotEmpty @Email private String email; @NotNull @Size(min = 10, max = 12) @Digits(fraction = 0, integer = 12) @Column(name = "phone_number") private String phoneNumber; @NotEmpty @Size(min = 2, max = 50) @Field private String location; @NotEmpty @Size(min = 2, max = 50) @Field private String job; {code} {code}<?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="primary"> <!-- If you are running in a production environment, add a managed data source, this example data source is just for development and testing! --> <!-- The datasource is deployed as WEB-INF/kitchensink-quickstart-ds.xml, you can find it in the source at src/main/webapp/WEB-INF/kitchensink-quickstart-ds.xml --> <jta-data-source>java:jboss/datasources/KitchensinkQuickstartDS</jta-data-source> <properties> <!-- Properties for Hibernate --> <property name="hibernate.hbm2ddl.auto" value="create-drop" /> <property name="hibernate.show_sql" value="false" /> <property name="hibernate.search.default.indexmanager" value="near-real-time"/> <property name="hibernate.search.default.directory_provider" value="ram"/> </properties> </persistence-unit> </persistence> {code} When I comment <property name="hibernate.search.default.indexmanager" value="near-real-time"/>, it works