在堆栈溢出方面,我很少看到类似的问题,但我不知道如何解决我的问题。在我的Spring项目中添加了Security之后,我得到了以下异常:
Jul 20, 2014 3:18:04 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was sto
当我在NetBeans中创建新的index.html项目并运行生成的index.html页面时,我会收到警告:
WARNING: Ignore WEB-INF/sun-web.xml in archive /C:/Users/vovan_000/Documents/NetBeansProjects/WebSite/target/WebSite-1.0-SNAPSHOT/, as WLS counterpart runtime xml WEB-INF/glassfish-web.xml is present in the same archive.
WARNING: The web a
我在GlassFish上运行我的应用程序,我使用Security和Hibernate。当我运行应用程序时,GlassFish控制台将显示以下警告和错误。我怎么才能避开他们?
WARNING: The web application [] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly un
我正在尝试部署一个使用spring和hibernate的java应用程序,但是当tomcat尝试启动它时,我会在tomcat中获得以下错误日志。
25-May-2019 04:16:21.967 WARNING [Thread-8] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc The web application [crossjam] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when
在更新文件并将其热部署到Tomcat服务器后,我有一个例外。
有人知道哪里出了问题吗?
SEVERE: The web application [/app] registered the JDBC driver [org.postgresql.Driver]
but failed to unregister it when the web application was stopped.
To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
环境
- Tomcat 6 or 7 (the
由于新的信息而完全重新工作:
最初的问题:当JBoss多次重新部署一个简单的Spring应用程序(2.2.6)时,它用"OutOfMemoryError: Metaspace“自杀了
使用堆转储,我发现H2驱动程序(1.4.200)保留了一个引用并导致了一个问题
后来我检查了为什么猫不像这样,发现
The web application [killerApp] registered the JDBC driver [org.h2.Driver] but failed to unregister it when the web application was
我使用的是Spark1.6.2、Hadoop2.6、Scala2.10.5和Java1.7
我使用JDBC从MSSQL读取数据,这没有任何问题:
val hqlContext = new HiveContext(sc)
val url = "jdbc:sqlserver://1.1.1.1:1111;database=CIQOwnershipProcessing;user=OwnershipUser;password=Ownership123"
val driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver
我得到了这个错误:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:1585)
at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1409)
at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2886)
at com.mysql.jdbc.Mysql
每次启动和停止tomcat服务时,我都会在tomcat-stderr.log文件中获得以下信息:
SEVERE: The web application [/twinkle] registered the JDBC driver [net.sourceforge.jtds.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
Mar 01, 20
我正在尝试将我的get应用程序部署到Tomcat容器中,但我得到了一个异常,说明无法为我的数据库找到驱动程序。在本地,我在Jetty上测试应用程序,驱动程序jar是由Maven提供的。我将驱动程序jar复制到Tomcat主文件夹中的lib文件夹,但仍然得到了以下异常:
java.sql.SQLException: No suitable driver found for jdbc:sqlserver:<address of the database>
at java.sql.DriverManager.getConnection(DriverManager.java:604
我使用Spring+Hibernate+MySQL运行一个应用程序很好,但有时我会收到以下错误
错误:
could not execute query; nested exception is org.hibernate.exception.JDBCConnectionException: could not execute query
我正在运行tomcat -7版本的应用程序
因此,如果我没有使用应用程序超过一段时间,我得到了这个错误,我不知道时间,如果我重新启动我的应用程序,我可以工作良好,我没有得到任何错误的
我的database.xml文件:
<?xml version=
连接到Ubuntu16.04服务器上的MySQL服务器有问题,但我得到了以下错误:
Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at su
当我尝试重新部署我的项目时,有时它会耗尽内存并抛出perGemSpace错误(只需重新部署2-3次)我知道我的项目有一些内存泄漏问题,但找不到,有人可以给我解释一下。:-?
Jan 14, 2013 1:12:21 AM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/qlbc-portlet] registered the JDBC driver [net.sf.log4jdbc.DriverSpy] but failed to unregister
01-16 16:52:42.211: E/ActivityThread(2529): Activity com.Civilcourage.CivilcurageSplash has leaked IntentReceiver com.google.android.gcm.GCMBroadcastReceiver@405282e0 that was originally registered here.
Are you missing a call to unregisterReceiver()?
上述错误的原因是什么?怎样才能避免呢?
我有一个在Tomcat 9上运行的程序。
当我重新启动这个问题时,它显示了上面的警告:
05-Feb-2021 09:48:34.211 WARNING [Thread-5] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [AWSApps] appears to have started a thread named [mysql-cj-abandoned-connection-cleanup] but has failed to stop it. This
我编写了一个非常基本的KMDF驱动程序,安装了它,并使用net start KmdfStart启动了它。然后我用net stop KmdfStart阻止了它。到目前为止没有问题。
然而,当我再次使用net start KmdfStart启动它时,我就得到了System error 2 has occurred. The system cannot find the file specified。只有重新启动计算机才有帮助。每当我开始和停止,然后尝试开始时,这个问题就会发生。该错误将立即显示在控制台中。
注册表项HKLM\SYSTEM\CurrentControlSet\Services\Kmd