systemd[1]: Failed to start LSB: Start Tomcat..
systemd[1]: Unit tomcat7.service entered failed state.
Process: 24432 ExecStart=/etc/init.d/tomcat7 start (code=exited, status=1/FAILURE)
Mar 09, 2016 6:40:12 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [/usr/share/tomcat7/common/classes], exists: [false], isDirectory: [false], canRead: [false]
Mar 09, 2016 6:40:12 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [/usr/share/tomcat7/common], exists: [false], isDirectory: [false], canRead: [false]
Mar 09, 2016 6:40:12 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [/usr/share/tomcat7/server/classes], exists: [false], isDirectory: [false], canRead: [false]
Mar 09, 2016 6:40:12 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [/usr/share/tomcat7/server], exists: [false], isDirectory: [false], canRead: [false]
Mar 09, 2016 6:40:12 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [/usr/share/tomcat7/shared/classes], exists: [false], isDirectory: [false], canRead: [false]
Mar 09, 2016 6:40:12 PM org.apache.catalina.startup.ClassLoaderFactory validateFile
WARNING: Problem with directory [/usr/share/tomcat7/shared], exists: [false], isDirectory: [false], canRead: [false]
Mar 09, 2016 6:40:12 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Mar 09, 2016 6:40:12 PM org.apache.coyote.AbstractProtocol init
SEVERE: Failed to initialize end point associated with ProtocolHandler ["http-bio-8080"]
java.net.BindException: Address already in use <null>:8080
at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:411)
at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:646)
at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:434)
at org.apache.coyote.http11.AbstractHttp11JsseProtocol.init(AbstractHttp11JsseProtocol.java:119)
at org.apache.catalina.connector.Connector.initInternal(Connector.java:978)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:821)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.startup.Catalina.load(Catalina.java:638)
at org.apache.catalina.startup.Catalina.load(Catalina.java:663)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:280)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:454)
Caused by: java.net.BindException: Address already in use
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:376)
at java.net.ServerSocket.bind(ServerSocket.java:376)
at java.net.ServerSocket.<init>(ServerSocket.java:237)
at java.net.ServerSocket.<init>(ServerSocket.java:181)
at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:49)
at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:398)
... 17 more
It looks as though when the restart command is invoked, the current process is not stopped correctly and therefore a new process cannot be started (this line: java.net.BindException: Address already in use <null>:8080). tomcat7 was already listening on port 8080 because it wasn’t stopped, so couldn’t be started.
The /etc/tomcat7/server.xml file is completely standard. /etc/default/tomcat7 has been edited to simply allocate more memory: