jcmd 8308 JFR.start duration=100s filename=tempo.jfr
Saturday, March 21, 2020
Thursday, March 5, 2020
Monogo Pipeline scripts !
Friday, April 5, 2019
Java 11 and Groovy Compatibility and JAXBContext !
If you see the following error during compile :
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileTestGroovy'.
> org/codehaus/groovy/ast/MethodCallTransformation
Add the folling line to your gradle file :
ext['groovy.version'] = '2.5.6' //i.e your grovy version.
Another issues with java 11
Unable to load class groovy.xml.jaxb.Jaxb GroovyMethods due to missing dependency javax/xml/bind/JAXBContext
You can fix this by adding the following dependency on the latest groovy version
Labels:
Groovy,
Groovy2.5.6,
java11,
JAXBContext,
MethodCallTransformation,
openjdk11
Wednesday, February 6, 2019
Useful Unix Commands
1. Count number of lines on all the files in the current folder
wc -l *
2. Count the number of files on the current directory :
ls | wc -l
3. Print all the line containing word/s in a file
grep -iw "search words" arc.log
grep -iw "search words" arc.log
4. Thread dumping for a process
jcmd 8308 JFR.start duration=100s filename=tempo.jfr
jcmd 8308 JFR.start duration=100s filename=tempo.jfr
Wednesday, December 19, 2018
Simple hack to Update System Properties and Environment variables on Window !
If you don't have a permission to edit the System variable on your local window machine, the following hack might work
Friday, April 13, 2018
MySql Query to turn ON Query statistics I/O
MySQL Nested Case SQL statements (CASE WHEN OR THEN ELSE END )
Following is an example of nested MySQL Case When or then else End statement.
select CASE When (table.field1 = '01') THEN CASE When (SUBSTRING_INDEX(table.field1, ' ', 1) = 'abc') THEN '01abc' ELSE 'abc' END WHEN (table.field1 = '02') THEN CASE When ((SUBSTRING_INDEX(table.field1, ' ', 1)) = 'def') THEN '02def' ELSE 'def' END When (table.field1 = '03') THEN CASE When ((SUBSTRING_INDEX(table.field1, ' ', 1)) = 'efg') THEN '03efg' ELSE 'efg' END WHEN (table.field1 = '04') THEN CASE When ((SUBSTRING_INDEX(table.field1, ' ', 1)) = 'pqr') THEN '04pqr' ELSE 'pqr' END END from table ;
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