Tomcat中报错，控制台出现Exception in thread http-apr-8080-exec-1、7、10等错误，如下：

内存溢出吗？

Exception in thread "http-apr-8080-exec-1"
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler i
n thread "http-apr-8080-exec-1"
Exception in thread "http-apr-8080-exec-7"
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler i
n thread "http-apr-8080-exec-7"
Exception in thread "http-apr-8080-exec-10"
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler i
n thread "http-apr-8080-exec-10"
Exception in thread "http-apr-8080-exec-11"
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler i
n thread "http-apr-8080-exec-11"
Exception in thread "http-apr-8080-exec-5"
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler i
n thread "http-apr-8080-exec-5"