我在向数据库添加数据时遇到问题。
如果我添加文字HI, HOW ARE YOU?
- 一切正常。
如果我尝试添加文本příliš žluťoučký kůň úpěl ďábelské ódy
java servlet崩溃。
HTTP ERROR 500
Problem accessing /addPost. Reason:
Server Error
Caused by:
java.lang.IllegalStateException: Transaction not active
at org.hibernate.jpa.internal.TransactionImpl.commit(TransactionImpl.java:70)
at org.dao.GenericDaoJpa.commitTransaction(GenericDaoJpa.java:57)
at org.dao.DefaultDaoRegister.saveTable_UserPost(DefaultDaoRegister.java:57)
at org.manager.DefaultUserManager.addUserPost(DefaultUserManager.java:247)
at org.web.servlet.AddPostServlet.doPost(AddPostServlet.java:31)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
at org.web.filter.AuthenticationGuard.doFilter(AuthenticationGuard.java:41)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:499)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
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我不知道为什么。
我的persistence.xml是:
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
version="2.1">
<persistence-unit name="org.my" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<properties>
<property name="openjpa.jdbc.SynchronizeMappings" value="buildSchema"/>
<property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver"/>
<property name="hibernate.connection.password" value=""/>
<property name="hibernate.connection.username" value="root"/>
<property name="dialect" value="org.openmeetings.app.hibernate.utils.MySQL5MyISAMDialect" />
<property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/db?autoReconnect=true&useUnicode=true&createDatabaseIfNotExist=true&characterEncoding=utf-8"/>
<property name="hibernate.connection.CharSet" value="utf8" />
<property name="hibernate.connection.characterEncoding" value="utf8" />
<property name="hibernate.connection.useUnicode" value="true" />
<property name="connection.provider_class" value="org.hibernate.connection.C3P0ConnectionProvider"/>
<property name="hibernate.c3p0.min_size" value="5"/>
<property name="hibernate.c3p0.max_size" value="20"/>
<property name="hibernate.c3p0.timeout" value="300"/>
<property name="hibernate.c3p0.max_statements" value="50"/>
<property name="hibernate.c3p0.idle_test_period" value="300"/>
</properties>
</persistence-unit>
</persistence>
db的设置为:utf8_czech_ci
。
你能帮助我吗?
我不知道该怎么做。
我的应用程序在Netbeans的JETTY
上运行。