commons-dbutil | java操作数据库的一些常见操作封装。详见dbaccess工程
kandi X-RAY | commons-dbutil Summary
kandi X-RAY | commons-dbutil Summary
java操作数据库的一些常见操作封装。详见dbaccess工程
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Top functions reviewed by kandi - BETA
- Converts number to given target class .
- Calls the setter method .
- Query map .
- Reads the value from the specified column .
- Extracts the specified row from the JDBC ResultSet .
- test query for user
- Returns the default class loader .
- Gets a connection from the database .
- Set property by introspector
- Convert a ResultSet to a Map
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Trending Discussions on commons-dbutil
QUESTION
I am using Snowflake JDBC to execute multi-statement scripts on Snowflake. My application is started by a Oozie job on a hadoop cluster(in migration phase). The requirement here is, when Oozie job is killed and there by killing the running application instance, the query that was submitted using JDBC should get cancelled by Snowflake.
I have added ABORT_DETACHED_QUERY=true to the JDBC connection url which looks like jdbc:snowflake://.snowflakecomputing.com/?warehouse=&db=&schema=&ABORT_DETACHED_QUERY=true.
Even after 25 mins, the script execution is not cancelled by Snowflake. I tried to find out the underlying problems. I tried to query the session on SESSIONS view using session-id but it was not there. I also tried to query for active connections but could not find a way to do it.
So I have two queries,
- Is it the right way to configure
ABORT_DETACHED_QUERYparameter? - How do you check for active JDBC connections on Snowflake, because
SHOW CONNECTIONSdidn't return any connection to my application?
Also,
I am using commons-dbcp BasicDataSource as datasource manager,
commons-dbutils to submit query using int QueryRunner.execute(String) method.
ANSWER
Answered 2022-Mar-23 at 08:18This is a session parameter not a connection string parameter therefore the proper way to set it is by using an ALTER command:
QUESTION
looking for help to execute cucumber 7 in parallel. My project is serenity with cucumber and java. In this link https://johnfergusonsmart.com/parallel-test-execution-with-cucumber-and-serenity-bdd/ it is showing that it is possible to run but tried different combination and looks like I missed something.
Here is my pom.xml file:
...ANSWER
Answered 2022-Feb-23 at 01:01Find the solution for parallel execution with cucumber 7 and serenity junit 4. Below pom.xml is tested and working to execute parallel. According to this pom.xml to execute two ways:
locally - add to your runner in tags tag you want to run and then execute this command mvn clean verify
mvn clean verify -Dtags="@yourtagHere"
Working pom.xml:
QUESTION
Once in a while our H2 database (v1.4.199) throws a StackOverflowError internally when our Java Spring Boot application starts and hits the database with a very simple SELECT query against a single table, which is the first query of the app. The application will eventually start correctly, but only after several restart attempts, each one throwing the same StackOverflowError. Given it eventually does work this does not feel like a true infinite recursion problem.
Here is the stacktrace from the h2.trace.db logs:
ANSWER
Answered 2022-Jan-06 at 18:28Found a solution. First, the IllegalStateException is a red herring, so I focused on the StackOverflowError instead. It looks like H2 v1.4.199 has some poor recursion logic in MvStore that starts to fail when the database passes a certain size or complexity threshold. By increasing the stack size from 256K (default) to 10MB with the JVM -Xss10M argument, H2 was able to recurse deep enough to successfully finish the startup logic.
I have also seen this StackOverflowError cause other types of IllegaStateException such as the following:
QUESTION
I made a folder in my eClipse root as jars and in sub folders of jars I placed the relevant jars.
I also added the classpath in Java Build Path by Add External Jars
[![enter image description here][1]][1]
commons-dbutils-1.7.jar is the jar that displaying
ANSWER
Answered 2021-Mar-22 at 20:48Your JARs should be in WEB-INF/lib so that Tomcat loads them automatically.
See
What's the correct procedure to add JARs into WEB-INF/lib directory in IntelliJ
For related info
QUESTION
I am new at using Sonarqube and I have an issue that maybe you can help with.
I am working in a development project now that uses Jdk 8 update 261, so I have my environment variable JAVA_HOME pointing to it and I can not change it as suggested in other posts.
So I installed jdk 11 as you can see in this image:
And I edited my wrapper.conf to this:
But still my sonarqube does not start. This is the log I get in my C:\sonarqube-7.9.5\logs\sonar file:
...ANSWER
Answered 2021-Jan-13 at 04:09The error message (in Spanish) says "The system cannot find the specified file." Did you check that java is really installed in the specified path?
Here are two related resources:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install commons-dbutil
You can use commons-dbutil like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the commons-dbutil component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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