Questions tagged [dbcp]
27 questions
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Java, DBCP and Pool connections
I am creating pools to test Oracle replay using Transparent Application Continuity.
I have my basic Java code that does this.
OracleDataSourceImpl ds = new oracle.jdbc.replay.OracleDataSourceImpl();
…
cptkirkh
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java dbcp2 connection pooling
So I am trying to understand how to build connection pools and to connect via java to an Oracle DB. i am trying to use dbcp2 to learn more about how all of this works. If I use the BasicDataSource I can connect and I see 5 connections via the…
cptkirkh
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How should I connect my web app in java with the database? With jdbc coming from a jar file in referenced libraries or dbcp?
I am developing a dynamic web project in java with eclipse using the tomcat server.
I have created a database that I want to connect to my web application. For this purpose, I installed the jdbc jar in the classpath but when I open the tomcat server…
manu
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BasicDataSource Support domain name？
Now when customers use BasicDataSource, they want to change the URL connection string to a domain name. Is there a way to support this?
Toviiii
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1 answer
Java BasicDataSource getting stuck when connecting
I am using the DBCP component of the Apache Commons library to connection to an Oracle database. I have created a BasicDataSource object and set the MaxWait time to two minutes. However when I call the "getConnection" method to get a connection it…
lgriffin
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Connecting to Cassandra using Java DBCP
I am connection to a Cassandra database with Java using the "BasicDataSource" class in the Apache Common DBCP library and using the DataStax driver "com.simba.cassandra.jdbc42.Driver". When Cassandra is configured with the "authenticator"
set to…
lgriffin
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1 answer
java dbcp2 multithreaded connection access
I'm pretty familiar using connection pooling on tomcat & have used it for years without problem. However at the moment I'm working on a main method application that needs to run simultaneous threads for performance reasons, and those threads each…
Reece
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Apache felix cannot load dbcp2 as bundle
I have created an OSGi bundle, that is using apache commons dbcp2 to create a database connection pool. I am using apache felix gogo as runtime to start my bundles. I have loaded multiple other external libraries without any problems into the apache…
Dakado
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1 answer
JTA integration jBPM throw 'Connection can not be used while enlisted in another transaction'
I integrated jBPM in the SpringBoot environment and found that the same XAResource would work on different transactions under high concurrency. I used Narayana combined with DBCP as my TransactionManager and ResourceManager. Exception occurs in the…
rawburn
- 1
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2 answers
Migration to JBoss7.2eap from jboss5.1.2eap : java.lang.NoClassDefFoundError: Lorg/apache/commons/dbcp/BasicDataSource
I have migrated my application from jboss5.1.2-eap to jboss-7.2-eapand java6 to java8 but after migration it is starting giving me exception while starting the server.
Caused by: java.lang.NoClassDefFoundError:…
Vicky
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DBCP Pool does not work in Servlet but works in standalone app
Pool doesn't in servlet but works in standalone appication.
Pool class is common in two cases:
public class Pool {
private static DataSource ds;
static {
DriverAdapterCPDS cpds = new DriverAdapterCPDS();
try {
…
Ashot Karakhanyan
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1 answer
setting connectionTimedOut to 1 sec is throwing Socket Timed Out error
I am working on a web application which runs in pcf environment and it has approximately 100 users. I am using Hikari CP library to manage databae connections and customized connectionTimedout property by setting it to 1 sec in the application code.…
Mohanrao Kolisetti
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