tomcat troubleshooting

ExceptionJava. Lang. illegalargumentexception: document base *** does not exist or is not a readable This is because the project is deleted in webapps but not in the corresponding working directory. Confirm 3:1. The war file of this project is removed from *** \ apache-Tomcat-6.0.16 \ webapps;2. Some configurations of this project are removed from *** APACHE-Tomcat-6.0.16 \ work \ Catalina \ localhost;3. T

Through Nginx reverse proxy, will not get the real IP, is to obtain the Nginx IP, to get the real IP to be configured nginx configuration file: nginx.conf Proxy_set_header X-real-ip $remote _addr; For example: ######################################################################## #要转发地域名: Upstream t.csdn.com { server 192.168.1.188:8080 max_fails=0 weight=1; #8080为tomcat端口 }#################################################################

Tomcat can be started with port 80, but the browser does not display the tomcat homepage, 80 tomcat 1. Open and run (ctrl + r)-> Enter cmd-> OK-> enter netstat-ano Result: Port 80 is occupied by system, Open the process and find that it is occupied by the reference program with PID 4 (system process (pid = 4) occupies port 80) Ii. Solutions Open Cont

Booting Tomcat under Eclipse failed, prompting the Tomcat server configuration at \servers\tomcat v7.0 Server at Localhost-config is missing. Check the server for error. The reason is that the server was mistakenly deleted in the project area. The workaround is to delete tomcat and reconfigure it. By the way to

Tags: location note xpl level image CPU occupies upload tool www.Symptoms:With the Eclipse win 64-bit version, both Indigo and Kepler have been recreated and have been tried and reproduced using Tomcat 6.0.39,jdk1.6.u45 and 1.7u45.The repro step is simple, it is easier to start with debug mode, Debug starts Tomcat, (mine is WebApp) and then the Eclipse Zombie is found at random point on the page, and any re

Get the latest code SVN update -- username % svn_user % -- password % svn_password %>"../% LOG_FILE %" Back up Tomcat sitesMD"% App_root % \ backup \ % mvn_profile %-% cur_date %-% myran %">"% LOG_FILE %"Xcopy"% App_root % \ % mvn_profile %" "% App_root % \ backup \ % mvn_profile %-% cur_date %-% myran %"/S>"% LOG_FILE %" Compile code You must call the CMD Cal command L. Otherwise, the maven command will exit the entire bat directly. This problem has

, high-performance, secure Java API that allows developers to easily monitor production applications. 6.Eclipse Memory Analyzer is a fast and feature-rich Java Heap Analyzer that helps you find out about the leaks and reduce memory consumption. 7.GCViewer a free open source tool that uses JAVAVM properties-VERBOSE:GC and-XLOGGC to generate visual data. It also calculates the performance metrics associated with garbage collection (throughput, accumulated stay, longest stay, etc.).On-the-go enviro

Troubleshooting of an online MySql connection exception As a common database, Mysql is widely used in Internet systems. Some faults are their own bugs, and some are not. Here are examples of problems encountered in the past.Problem The problem was that our application went online to test the environment. During the JMeter test, it was found that the first few http request requests with low access times out at the beginning of each stress test, but not

Troubleshooting of online MySql connection exceptions As a common database, Mysql is widely used in Internet systems. Some faults are their own bugs, and some are not. Here are examples of problems encountered in the past.Problem The problem was that our application went online to test the environment. During the JMeter test, it was found that the first few http request requests with low access times out at the beginning of each stress test, but not

CentOS study notes -- Tomcat installation, centos -- tomcatTomcat installation It is usually easy to configure Tomcat, but it is not easy to set up a Java virtual host with multiple users and services. The biggest problem is the Tomcat execution permission. Tomcat configured in common mode runs as a root Super administ

Atitit. troubleshooting series --- NoClassDefFoundError ClassNotFoundException, dllnotfoundexception Atitit. troubleshooting series --- NoClassDefFoundError ClassNotFoundException 1. The class exception cannot be found in java. lang. ClassNotFoundException. This exception is thrown when the application tries to construct a class based on the class name in the string format and cannot find the class file w

Tomcat's context configuration is finally getting rid of Tomcat's contexts today, Conf/context.xml is a tomcat common environment configuration; If you add

that it does not affect business operation. Because the previous system was migrated from tomcat to was, tomcat has good compatibility and no errors, but a lot of problems are reported after the migration to was, it may be that was has high requirements, but no one has modified it later. If it does not affect the running of the current network, it will be ignored. Therefore, starting with logs is also a ve

. Writebytes(Streamencoder. Java:202) at Sun. NiO. CS. Streamencoder. Implflushbuffer(Streamencoder. Java:272) at Sun. NiO. CS. Streamencoder. Flushbuffer(Streamencoder. Java: -)-Locked 0X0000000780D79C10> (A Java. IO. OutputStreamWriter) at Java. IO. OutputStreamWriter. Flushbuffer(OutputStreamWriter. Java:168) at Java. IO. PrintStream. Write(PrintStream. Java:477)-Locked 0x0000000780d79ac0> (A Java. IO. PrintStream) at Java. IO. PrintStream. Print(PrintStream. Java:619) at Java. IO. PrintStrea

In actual work, we always encounter problems in the production environment. If any problem occurs. And the business is very important. Business needs to restore the system to normal in the shortest time, which puts a lot of pressure on people. Under this pressure, it may make me confused. So how can we quickly and effectively troubleshoot faults? The problem is endless. I personally think that only the thought of troubleshooting and thinking can help

51CTO Learning notes--Linux operation troubleshooting ideas and system tuning tips video Lessons650) this.width=650; "src=" Https://s1.51cto.com/images/201611/25208e84076a9820fec7594656b44c32427a85.png "alt=" 25208E84076A9820FEC7594656B44C32427A85.P "/>First lesson Linux operation and maintenance experience sharing and thinking1, the general host name, write to the hosts under the 127.0.0.1 hostname, because many applications to resolve to local. Orac

However, this setting is for post requests, Tomacat for Get and post requests are handled differently, to handle encoding problems for GET requests, you need to change the Server.xml configuration file for Tomcat, as follows:SwitchThe key point here: If you are changing the Server.xml configuration file of the Tomcat installation directory, then when you run the project with Eclipse, you will find that the

Software TestingMedium,Troubleshooting(That isDebugging. The test is successful because an error is found. Identify the cause and location of the error based on the error signs, and correct the error mainly relies on the troubleshooting technology. 1. troubleshooting Process As shown in, the troubleshooting process b

Tomcat is now a popular open source and free Web application server, on my computer for the first time to install Tomcat, and then after the online tutorial and their own groping, the process is re-recorded, so that if you forget to be able to view at any time.Note : To be clear first, Tomcat is closely related to Java, so install the JDK and set the JDK environm

First, Tomcat introduction Tomcat is a core project in the Jakarta Project of the Apache Software Foundation (Apache Software Foundation), developed jointly by Apache, Sun and other companies and individuals. With Sun's involvement and support, the latest servlet and JSP specifications are always reflected in Tomcat, and Tom