Questions tagged [tomcat]

14439 questions
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Redirect loop while logged in to jaspersoft

I have installed jasperserver on tomcat 8 on Windows. I want to let user access this via NGinx as reverse proxy. I have installed nginx and created a serverfile for jaspersoft. Everything looks fine when I access the URL of jaspersoft. But as soon as I am logged in I am being redirected from 'https:...
Sander Horst
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web application in linux environment throws javax.ejb.ConcurrentAccessTimeoutException Unable to get read lock on singleton ejb method

I have deployed EJB web application in tomcat,linux machine. This application connects to AWS RDS through JNDI lookup that presents in @singleton ejb class. Every minute my application prints the DB content in console. In initial startup of application, DB connection is achieved once using @PostCons...
user2728146
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How to increase Maximum Memory Pool Size? Apache Tomcat 9

I am trying to increase my Maximum memory pool in Apache tomcat config. I am using Geo-server services with the help of Apache, however my memory in Geo-server is filling very fast. All the time I have to free memory from Geo-server Server Status. I have to increase my memory to 2048 maximum by sto...
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Exception in thread “main” java.lang.IllegalArgumentException: PWC6309: Illegal compilerSourceVM: 12

I tried to run this below code: JSP Page Hello World! But the IDE show me an error: Exception in thread 'main' java.lang.IllegalArgumentException: PWC6309: Illegal compilerSourceVM: 12 at org.apache.jasper.JspC.setCompilerSourceVM(JspC.java:724) at org.netbeans.modules.web.project.ant.JspC.main(JspC...
Huy
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A fatal error has been detected by the Java Runtime Environment: SIGSEGV (0xb) at pc=0x00007f2d738e4137, pid=15464, tid=0x00007f2df6df9700

# A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007fe8384b42be, pid=27917, tid=0x00007fe83b3fb700**strong text** # JRE version: OpenJDK Runtime Environment (8.0_191-b12) (build 1.8.0_191-b12) # Java VM: OpenJDK 64-Bit Server VM (25.191-b12 mixed mode l...
Kübra
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Configuring Tomcat to use kerberos enabled proxy

I am running a Tomcat web app that needs access to an external website through a proxy but I'm having difficulties finding instructions for this circumstance. Do I need to create the krb5.ini file and make tomcat aware of the kerberos environment or should the windows Tomcat service authenticate?
Ross P
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Tomcat virtual host with websocket “http_upgrade” configuration

I have a java application with web socket running on 8080 port on my server through tomcat like http://localhost:8080/application. But i am facing problem connecting to web socket i had it working fine with nginx with below code and want similar configuration for tomcat. Please keep in mind there is...
Aasheesh Bhardwaj
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The specified service does not exist as an installed service

I am getting this error from tomcat: The specified service does not exist as an installed service. Unable to open the service “tomcat8” Then application will not start at all, So I opened command line and installed the service: tomcat8.exe //IS//tomcat_8_ServiceName But still facing the sa...
user648026
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Remote Debugging with JPDA won't connect to Tomcat through eclipse when using Docker-Compose

I'm very new to Docker so this could be something simple I'm doing wrong. With all the solutions out there I've been able to get remote debugging working with eclipse when using 'Docker run' to launch the Tomcat container. docker run -it --rm -e JPDA_ADDRESS=8000 -e JPDA_TRANSPORT=dt_socket -p 8888:...
Olmstov
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2.8k

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Invalid byte tag in constant pool: 19 error message

This error message shows that the Tomcat is 8.0.30, and I am using JDK 8. I am creating a Spring-boot project. Some suggested that JDK 8 should be used but I indeed am using JDK 8. What's the problem here? 信息: Starting Servlet Engine: Apache Tomcat/8.0.30 十月 18, 2018 12:26:19 下午 org.apac...
user697911
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Springboot shutdown automatically and restart automatically .

I encounter a problem that my springboot project will shutdown and restart automatically. Before that problem, the program finish schedule job, this scheduling job will read data from redis and then compare with local backup file, if any new data coming up, the program will write to local backup f...
JunHui Li
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upgrade Spring Boot parent starter from 1.5 into 2.1.1.Release

Getting this below exception as i am trying to upgrade by Spring Boot parent starter from 1.5 into 2.1.1.Release, but not getting any compilation or any Exception in my Project. Is that i am missing anything here. Exception in thread 'main' java.lang.AbstractMethodError: org.springframework.boot.con...
Thirukumaran
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Singleton Database Class for JDBC Pool using Apache Tomcat JDBC

I am trying to configure a singleton database class to allow connection pooling against Oracle XE 18c database using JDK8 and Tomcat7. I can not compile the source because of the following error: unreported exception SQLException; must be caught or declared to be thrown Class source code: package co...
M.E.
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Tomcat throws java.lang.IndexOutOfBoundsException

I am running a simple web project.In one of my servlet i get the user's parameters from the form and run getIf method of my UserDao class which returns all the users from the database that match some kind of a condition. Here is the code of the getIf code: @Override public synchronized List getIf(Us...
Barracuda
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X-Frame-Options Header Not Set in Apache Tomcat 8.5.9

I am using Apache Tomcat 8.5.9 server for Java Web application with struts2, spring and spring-security. While doing security testing using 'Zap 2.7.0 security scanning Tool' I got following errors in a scanning report of my web application. X-Frame-Options Header Not Set Web Browser XSS Protection...
Prakash Krishnakumar
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Running a Tomcat embedded Java app

I'm trying to build and run a minimal Java app with embedded Tomcat but I'm having some difficulties (as outlined at the bottom). I'm trying to keep the configuration to a minimum, so if a value doesn't need to be set because the default value is already the required value, or a dependency already i...
Christian
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Is there any way to view the “Request Body ” received by the server in the server logs

I am having trouble in logging the 'Request body ' sent to an engine that i created . The engine is present as a war file (in webapps) and I want to access what request body was posted to the engine . I get only this response in the ' localhost_access_log.2017-12-28.txt ' : 192.168.3.206 - - [28/Dec...
CamundaGuy
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How mod_jk handling node failure

We have configured mod_jk with two tomcat servers with 2 apache web servers. We wanted to know how mod_jk handling node failure or how it will do a health check.?
Pramod Gouda
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Tomcat 8 first request processing is slow for first request

I'm working on a high performance java application. I deployed in Tomcat 8. First request processing is slow i.e. it is taking 800 milli seconds to process. After that every request is processing very fast within 50 milli seconds. I think for initial request class loading takes time. My requirement...
Naresh Muthyala
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Spring integration application failing on weblogic-properties file doesnt exist

2018-01-02 15:55:27 DEBUG ClasspathLoggingApplicationListener:55 - Application failed to start with classpath: unknown 2018-01-02 15:55:27 ERROR SpringApplication:771 - Application startup failed org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [co...
sreenivas
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395

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“HTTP Error 404, The requested resource is not found” but Tomcat has started successfully

I am able to run tomcat 7.0.41 and getting below message in the console : 'INFO: Server startup in 9393 ms' Tomcat Console Picture When I am trying to open http://localhost:8080/, I am getting the following error message : Not Found HTTP Error 404. The requested resource is not found. I have alread...
Eric Guzman
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issue while changing network mode from static to dhcp using java MulticastSocket in tomcat

we have requirement to convert a device network ip mode from static to dhcp vice-versa. We are using following code to do the need. MulticastSocket multicastSocket = new MulticastSocket(5353); InetAddress address = InetAddress.getByName(224.0.0.251); multicastSocket.joinGroup(address); multicastSock...
Srikanth
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How to redeploy remaining attachment files in Jenkins(using SVN, Tomcat)?

I'm trying to use Jenkins to my web project. I use Spring, Maven, Subversion, and Tomcat. I succeed to build and deploy it. I could see it on localhost:8080. But there's a problem. The attachment files disappears after rebuilding(including redeployment) by Jenkins. (folder name of attachment files i...
Heedo Kim
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Can Spring Cloud Task application can run on embedded tomcat

I have a simple webapp with @EnableTask annotation at main class. My Application is running on embedded tomcat. Is it is possible to run SpringBoot WebApp wrapped with @EnableTask annotation in embedded tomcat. Is yes can i have a simple example for that? Thanks
Jagadheeswaran Mohan
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Tomcat hang after memory error until re-start

Our web application runs on Apache-Tomcat-8.5.5 and java 1.8 (linux-amd64). Application uses hikari db connection pool with oracle database. After a random period of time (3-4 weeks), we get 'java.lang.OutOfMemoryError: Compressed class space' exception and then server hangs and becomes un-responsiv...
Imasha
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automatic launching of tomcat script in ec2

i am trying to launch apahe tomcat automatically when the system boots in suse enterprise linux i have installed apache tomcat8 in suse enterprise linux i have attached the script in bash file i have edited the path in catalina also my 8080 port is working fine when i launch manually using sh startu...
Imran Sharief
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Arquillian Cube Basic Example/Tutorial JMX Remote Access times out

I have tried to reproduce the Arquillian Cube Basic Example/Tutorial (on http://arquillian.org/arquillian-cube/#_basic_example), which starts a Tomcat 7 Docker Container and tries to deploy a war File in this Tomcat container. Even though I have specified environment variables as in the tutorial JAV...
DanielZ
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Spring boot on embedded tomcat on Apache2 with multiple addresses

I have a Spring Boot application which runs via its embedded Tomcat on port 8080. This application must be reached by two different urls, let's say www.aaa.com and www.bbb.com. I have apache2 with 2 sites enabled. This is www.aaa.com.conf ServerName www.aaa.com ServerAdmin [email protected] ErrorL...
besmart
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Tomcat throwing error

Working on a JSP project. And the tomcat log has been throwing this error. I've no idea where the issue is. Hopefully someone can point me in the right direction. It seem to be something to do with a filter CorsFilter i created. However, when i deleted the servlet, the record disappeared along with...
root
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NGINX vs. Apache? What to choose when deploying react

I am new to reactjs. I created a basic react app using create-react-app boilerplate. I prepared the build by running the command npm run build. Now I want to host the build folder. Which is better and why. Please let me know if any better and easy option available as I am new to this.
DadyByte
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Override group policy to render page in document mode 9

Application is using tomcat. Ive added this tag to one of the jsp files. After going to the page in IE11 and viewing source, i can see the tag shows up right under the title Create Traveler however the page is still rendering in document mode 7 because of the group policy. Is there a way to overri...
Jake O
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How to add apache tomcat v9 in eclipse

I downloded and installed tomcat v9 but when I go in eclipse window-preferences-server-runtime environments-add there is no apache tomcat v9 , the highest version is v8 , and also the official apache website doesn't provide the download link for tomcat v8 anymore .
Tornike Shelia
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476

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Spring Boot with Embedded Tomcat: Session not persisting through restart

The research I've done on this seems to indicate that this should happen automatically. Some writings suggest that it is required to place server.session.persistent=true inside src/main/resources/application.properties. I have done this and I believe sessions are still not persisting. Some backgro...
user1445967
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WebSocket Request (xhr_send) getting stalled (Tomcat and Apache HTTP)

My application used sockjs & Application is running on Tomcat 8 and APACHE HTTP as front end web server. I have observed that xhr_send request getting stalled and so hangs the application. On Chrome developer console, received following error when xhr_send request stalled I never received CONNECTED...
Anupam Pawar
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Apache HttpClient working intermittently

I'm not very experienced with web development, so this is probably beginner problem. I have a small project with two Java web applications on two separate machines on Tomcats, one facing the user (frontend, FE app) and communicating to the other (backend, BE app). BE communicates with the DB through...
Toma Krstic
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Configuring JNDI URL resources in embedded Tomcat Spring Boot application

I am having a Spring Boot application with embedded Tomcat server. My application does JNDI look up of datasource and config file URL. I am able to configure JNDI datasource but i am unable to configure JNDI URL in embedded Tomcat. Same application when deployed as WAR to standalone Liberty server i...
grsdev7
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Document base /home/ec2-user/myproject/web does not exist or is not a readable directory

I am deploying my project to AWS with Apache Tomcat 7. I added the ROOT.xml into Catalina/localhost/ like this Starting Tomcat gives me the famous exception of Tomcat, but sadly, I cannot resolve it java.lang.IllegalArgumentException: Document base /home/ec2-user/myproject/web does not exist or is...
Thai Tran
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350

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How to insert the values of a radio button and checkbox to my database with jsp? [duplicate]

This question already has an answer here: How to transfer data from JSP to servlet when submitting HTML form 4 answers i'm having some troubles with my code and i don't know how to continue. What i have is a web page that shows a list of tweet previously searched by the user. Now what i want is to...
Fernando
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369

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Code status 406 when running a Spring WebApp

I have these files in my project folder build.xml version='1.0'?> tests.failed=${tests.failed} *********************************************************** *********************************************************** **** One or more tests failed! Check the output ... **** *************************...
Paras Meena
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User defined Webapp class loader in Apache Tomcat server

I have a requirement where I need to load my web application using a custom classloader. From the documentation, I could make out that Webapp class loader handles the loading of class from /WEB-INF/lib and /WEB-INF/classes. Is there a way to override this class loader with a user-defined?
Sourav Kumar Sarkar

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