All Questions
817
questions
1
vote
0
answers
21
views
Unable to configure the Datasource realm through embedded tomcat jar.(not an springboot app)
On tomcat 8.x ,We have been using JDBCRealm to set the connection parameter like jdbc url, user name ,password and with these details we initialize the context and start the server . After upgrading ...
- 11
-1
votes
1
answer
37
views
How do I connect to my database from Java/JSP when upgrading to Jakarta?
I am trying to migrate code that I wrote 15 years ago to a new server.
One of the changes is the javax.* package naming changed to jakarta.* naming as part of Oracle transferring Java EE to the ...
- 103
0
votes
2
answers
53
views
Why would a Tomcat 8.5 Connection Pool with Oracle have unused open (Dead?) connections?
I have a Grails 2.5 application that is deployed to Tomcat 8.5 application server where one customer is reporting that they are running out of connections in the connection pool. As part of the ...
- 61
1
vote
0
answers
23
views
Tomcat Connection pool to Forge MySQL
My Database happens to be hosted on https://forge.laravel.com/ They appear to be using MySQL8 if that makes a difference. I'm writing a Tomcat application from which I would like to connect to this ...
- 179
0
votes
0
answers
47
views
ERROR o.h.e.jdbc.spi.SqlExceptionHelper - (conn:99709) Connection reset
In my spring boot application I have multiple database connections SqlServer and MariaDB. In my function there are multiple DB calls over a table in MariaDB. While executing the query for the first ...
1
vote
1
answer
121
views
Does Postgres JDBC LazyCleaner cause a classloader memory leak?
I have a Spring Boot web application which is deployed multiple times a day, so a clean undeploy is essential. Tomcat is reporting a memory leak, and MAT points me to
I'm using postgresql-42.6.0.jar, ...
- 3,194
0
votes
0
answers
20
views
DriverManager vs Tomcat Resource driver selection
Based only on URL, DriverManager it's selecting the jdbc driver. Why Tomcat Resource tag need driverClassName to select the jdbc driver? It's not enough the URL information?
- 351
-1
votes
2
answers
174
views
JDBC connection object returns null in Servlet/Web [duplicate]
I'm stuck with a servlet problem – my database connection is turning up null. The weird part is, the same database code works fine in another class. I've double-checked my configuration, loaded the ...
-1
votes
3
answers
137
views
Mysql getting disconnected from application during populating
Recently i got mac m1
i am running a product which uses [email protected] installed through homebrew, the data from the product is connected successfully to mysql and started populating but nearing the end of ...
0
votes
0
answers
78
views
Tomcat jdbc pool shows ClassNotFoundException but works
To configure a JDBC pool for Microsoft SQLServer in Tomcat 9 I've added below to server.xml
<Resource auth="Container"
type="javax.sql.DataSource" driverClassName="com....
- 44.6k
0
votes
1
answer
503
views
Oracle incompatible driver ORA-12650
We try to upgrade our web application database from Oracle 12c (12.1.0.2.0) to Oracle 19c (19.0.0.0.0), but I'm encountering the error ORA-12650 with the following stack trace in catalina.log:
WARNING:...
- 901
0
votes
1
answer
121
views
Nullpointer exception in servlet but not in normal class [duplicate]
I am trying to run a code which creates a row in mysql database everything works well with normal classes but when I use servlets it throws a nullpointerexception I am unable to understand the reason ...
- 483
0
votes
0
answers
479
views
Postgres connection stuck at idle even after serving 200 requests per second through a JDBC connection
Just like the title says. I am monitoring the pg_stat_activity table in my Postgres DB and trying to capture the behavior of my Tomcat JDBC connection pooling implementation. The idle connections that ...
0
votes
1
answer
746
views
How to encrypt JDBC password for apache-tomcat-9.0.74?
Decryption of JDBC Password for Tomcat not working for apache-tomcat-9.0.74 using SecureTomcatJDBC.jar. What should be the work around?
I followed the steps provided in https://www.aivhub.com/wiki/...
0
votes
0
answers
297
views
How can I encrypt the passwords of a data source on Tomcat 9 in the context.xml?
Like the title says, our application has resources in the context.xml that we need to encrypt for security audit purposes. I know Tomcat's FAQ mentions security through obscurity, but we need to have ...
- 428