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I am working on a war running on Tomcat 8.5.40, compiled with jdk 8.261 and I need to connect to Oracle with an ojdb8-19.3.0.0 driver. There will be more wars connecting to the same database.

AFAIK and found in the documentation, there are two main ways to implement the connections:

• Context/Resource/JNDI (https://tomcat.apache.org/tomcat-8.5-doc/jndi-datasource-examples-howto.html)
• Plain Old Java (http://tomcat.apache.org/tomcat-8.5-doc/jdbc-pool.html#Plain_Ol'_Java) (preferred for legacy reasons)

As I am concerned about performance of the connections, I will use Connection Pool. My question is:

Are both approaches the same in terms of performance?

I just wonder if using Contexts, tomcat manages better the pool, specially when there are multiple wars using it.

I have tomcat 9 installed on Ubuntu VPS. I have two web applications deployed. Say -

1. $CATALINA_BASE/webapps/app1
2. $CATALINA_BASE/webapps/app2

Both of them are deployed as war files generated from spring boot application

Now, I want only app1 to be accessible to outside network. app2 should be accessible only from localhost i.e. app1.

I am looking for more global solution where I can modify server.xml or something like that which stays even after deployment.

What I already tried

• Added context.xml inside webapp/app2 and add a valve to restrict outside traffic. But, this context.xml is getting overwritten after every deployment .

• Created $CATALINA_BASE/conf/context.xml and added valve to restrict remote traffic. This blocked remote access to all apps.

Then, I created $CATALINA_BASE/conf/Catalina/localhost/app1.xml and overrided context through

I understand previous JBoss versions used DBCP, but I don't find a specific reference to which library and version use JBoss EAP 6.4.

Edit: I found references of uses of ironjacamar as mentioned by @ehsavoi here. But I saw this disclaimer:

"This feature should only be used for development. It is not recommended for production environments because it is not supported by the JBoss administrative and management tools. This feature is deprecated in JBoss EAP 6.4 and will not be supported in the next major release of the product."

So my concern is if this disclaimer is related only to datasource deployment (*.ds files) or to ironjacamar as well.

I am trying to load a pretrained model listed here to test the similarity of a handful of paragraphs.

Can gensim's pretrained models only be used with word-level vectors, or can the models also be used for document-length vectors?

I am new to Python and i just wanted to make my first program that it will install automatically apache tomcat server. So far i have managed to untar package, create folders and symbolic links... and now i need to update the following server.xml file (instead of using editor and modify the xml file manually).

I have Tomcat 7.0.105 installed with ords.war deployed in it. In my browser, I use the URL http://rtp, where rtp is the name of my server as defined in /etc/hosts. This uses port 80 and reaches Apache on the server. There I have a conf file in my /etc/httpd/conf.d folder with these contents:

UPDATE 8/12/2020 approx. 11:00 AM - I checked my logs folder catalina.2020-08-12.log log in the tomcat9 ($CATALINA_BASE) folder and I found three exceptions "org.apache.catalina.LifecycleException: Protocol handler intialization failed", "java.net.BindException: Address already in use (bind failed)","java.lang.IllegalArgumentException: Invalid character found in the HTTP protocol [HTTP/1.10x0aHost:]". Here is the full error log here: https://drive.google.com/file/d/1pSk5ESHLIRP5Srxwr4R1Tp_1TTcYMf2Y/view?usp=sharing and https://drive.google.com/file/d/1C-RALR3066_hYKeoo4dIJqTKwNDOQ0R0/view?usp=sharing.

UPDATE 8/12/2020 approx. 11:30 AM - I found that there are two servlet dispatchers running by checking the localhost.2020-08-12.log log when I restarted tomcat and tried to access my api again: https://drive.google.com/file/d/1GFKUIDLtZrAraHyMjyyWV9kXK33gQ-Mu/view?usp=sharing.

UPDATE 8/12/2020 approx. 11:35 AM - HA HAAAA I looked in the catalina.out log (finally some of you guys were probably yelling at the screen like "CHECK THE CATALINA.OUT FILE"). I checked it and I found the exception: "java.lang.IllegalArgumentException: dataSource or dataSourceClassName or jdbcUrl is required": https://drive.google.com/file/d/1A7ZLh70IHOmWXfQ56bgtq951EE_AX68P/view?usp=sharing. Now if I go to my PostgresDataSource class which is where my Hikari config is: https://drive.google.com/file/d/1lYN1dTqiAM4ZqliRGC5J5_VWhNeN-k2d/view?usp=sharing, and I review my application.yaml file from earlier: https://drive.google.com/file/d/1xvPhPneVjMU4BoN6F0Q63l2wCnF20BYq/view?usp=sharing, the jdbc url is present because it is the same one I used for developing. Now postgres is already set up and I manually made all of the tables on the ubuntu droplet. I did not download the jdbc postgresql driver for tomcat yet.

UPDATE 8/12/2020 approx. 1:20 PM - After setting up the jdbc driver now I get this error from catalina.out logs: " Failed to get driver instance for jdbcUrl=java:/comp/env/jdbc:postgresql://localhost:5432/****" and then I get "Caused by: java.sql.SQLException: No suitable driver". I used the postgresql section of this link to set it up: https://tomcat.apache.org/tomcat-9.0-doc/jndi-datasource-examples-howto.html.

Hi I am using Digital Ocean with apache tomcat 9 to deploy a war file that is generated using IntelliJ. I have the war file generated using mvn clean install and I get the default tomcat page when I go to the droplet IP address on port 8080. I am not sure why I get a 500 error with no stack trace information even though my spring boot application works fine when I run it in IntelliJ. My CSS styling also does not show up when I go to my hosted application I have tried to configure a few things in my application.yml file and it still does not work. I figured it might have to do with a spring security issue with CORS, but I am not knowledgeable enough in that area to know for sure. I started my server by using sudo $CATALINA_HOME/bin/startup.sh and it said tomcat started and it showed the default tomcat page when I went there in the browser. I used the hobynapi.war file in my target folder a picture of my target folder directory can be viewed here https://drive.google.com/file/d/1XXga1Bgf5-_81gceuWjpvVIX6J0jiNgQ/view?usp=sharing. I copied the war file that was generated after using mvn clean install to the /var/lib/tomcat9/webapps folder. I then ran sudo $CATALINA_HOME/bin/startup.sh again and it ran tomcat successfully again. Then the error happened as I tried to log in with the admin account with spring security basic authentication where I get the 500 error. I also have no artifacts in the artifact section of the project structure settings if that means anything.

UPDATE 8/12/2020 approx. 10:00 AM - I've removed the exclusions tag in the pom.xml file as well as the profiles tag at the bottom of the file. This is because I read here that using the spring-boot-starter-tomcat dependency removes the embedded server for you: https://developer.okta.com/blog/2019/04/16/spring-boot-tomcat.

This is the screen without the CSS styling that should be there:

https://drive.google.com/file/d/1CEKuB556ek8pTZspvprNTa9M5XCI7qtT/view?usp=sharing

This is the error I get without a stack trace:

https://drive.google.com/file/d/19gYGQFhZdZ_4IwwGE5tQzb4dTqlBpg9L/view?usp=sharing

These are pictures of my pom.xml file:

https://drive.google.com/file/d/1ir5uBuBuJqCb_U8Jarly9mraO468QA_y/view?usp=sharing https://drive.google.com/file/d/1ma1_EPro4NvJiOy8lWPrAmGLMrVWHZPS/view?usp=sharing https://drive.google.com/file/d/11NDIwA9g02zkCKnsmYSLSNF5R-BrFpgt/view?usp=sharing https://drive.google.com/file/d/1p6T9-oOwyfj7NUsLxTRLtqXKHU4qHrZx/view?usp=sharing https://drive.google.com/file/d/1spD7KT-3WBo7KFF0Hb_WgJ5dVKRHF-un/view?usp=sharing https://drive.google.com/file/d/16QtJQtT9zaU7nGcpnm2KXJ6jiLywNt5s/view?usp=sharing https://drive.google.com/file/d/1cnZJshFS5xW-HbeaH_C_e6KcDo9xYRdY/view?usp=sharing

This is my application.yml file:

https://drive.google.com/file/d/1xvPhPneVjMU4BoN6F0Q63l2wCnF20BYq/view?usp=sharing https://drive.google.com/file/d/1B9_5WueRvqQv4ODsJAfbUzGIm-xaaSYV/view?usp=sharing

This is my main application java file:

https://drive.google.com/file/d/1K9lzzlzIKT8irqXsPY1WeiBvN-9vsoWT/view?usp=sharing

This is my web config file in my config package:

https://drive.google.com/file/d/19EYa2kkqqPu9Wh8nN-U02szSVBT30lOP/view?usp=sharing https://drive.google.com/file/d/11Zw8dLrAu6c_OI29j0NsljvXdeDam0-t/view?usp=sharing

This is my spring security config file in my config package:

https://drive.google.com/file/d/1inqlTjfxahcF6ZeJ_xkJM18UgsDu119n/view?usp=sharing https://drive.google.com/file/d/1nTeYiKhiNOH71Km-s_T4IT1BKRyJG4mS/view?usp=sharing

I hope that these pictures help for diagnosing the issue.

I recently enabled IAP in GKE cluster.

• Cluster Version: 1.15.11-gke.11

I followed the instructions here: https://cloud.google.com/iap/docs/enabling-kubernetes-howto

Service config is as follows:

I am using Netbeans 11 to deploy a WAR file. When using RUN, the IDE starts Tomcat, which shows the startup message: