java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via the ApplicationContext 原因:spring初始化bean对象出错; xml的bean的id 有重复; 如果是注解配置:可能是注解的名称有重复: 只需要将重复的bean 的id和重复的注解改了就行了;...
使用Java SDK时出现如下异常: java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED 原因 一般是由于OTSClient被调用了shutDown,其内部的I/O reactor均已被关闭。如果此时再调用OTSClient进行读写,...
使用Java SDK时出现如下异常: java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED 原因 一般是由于OTSClient被调用了shutDown,其内部的I/O reactor均已被关闭。如果此时再调用OTSClient进行...
more even though Tomcat's output says this exception has no functional impact. As far as I can see, none of the code I developed is involved in this. Does that mean Tomcat 6 is broken? What debugging purpose could this have? What can be done to prevent it? The stack trace follows: ...
"non-static reference is not allowed inside static methods". Why? because instance may not exist when the static method gets called. They are not associated with any instance, you can call them even on a null variable without throwing NullPointerException in Java. In short, you cannot use ...
Although the try, throw and catch blocks are all the same in theJavaandC++programming languages, there are some basic differences in each language. For example, C++ exception handling has acatch allblock, which can catch different types of exceptions, but Java does not. Likewise, C++ is able...
The root logging name space for the Message Queue client runtime is defined asjavax.jms. All loggers in the Message Queue client runtime use this name as the parent name space. The logging levels used for the Message Queue client runtime are the same as those defined in thejava.util.log...
An object reference is required for the non-static field, method, or property An unhandled exception of type 'System.IO.IOException' occurred in mscorlib.dll. Additional information: The process cannot access the file because it is being used by another process. Angle between two lines Anti debu...
723 main ERROR Unable to invoke factory method in class org.apache.logging.log4j.core.appender.RollingFileAppender for element RollingFile: java.lang.IllegalStateException: No factory method found for class org.apache.logging.log4j.core.appender.RollingFileAppender java.lang.IllegalStateException: No ...
4269230: Java Sound fails to detect and utilize multiple audio output devices 4274149: SPEC: AudioPermission throws undocumented IllegalArgumentException 4320445: Simultaneous playback and recording not possible anymore with JavaSound 5044712: ALSA support on Linux-amd64 is not working ...