I have an application that I want to run it and gives it more heap memory. I run my application using this command in terminal: home/bin/hadoop jar $pathofjarfile parameter1 parameter2 but I don’t know how to allocate more heap memory when running this application? if anyone could please advise. Answer …
How to run sed command from java code
I’m probably missing something, but I’m trying to run commandline from a java The code is as following: I’m getting the following error: The fils is exists. I’m doing ll on this file and it is exists. I’m just looking for a way to make it work from java. What am I doing wrong? An…
JsonParseException: Unrecognized token ‘http’: was expecting (‘true’, ‘false’ or ‘null’)
We have the following string which is a valid JSON written to a file on HDFS. EDIT We configure a flume agent that reads the data from that file and pass it to Solr sink but unfortunately this exception in the title is throw. and here is the stack trace Answer We have the following string which is a valid
Solving native open cv code error in androd.mk for developing panorama on android
I am trying to develop an android application for generating panoramic images usig feature of image stitching in Open CV. I have used the code give on the site given below. http://ramsrigoutham.com/2012/12/21/panorama-app-on-android-using-stitching-module-opencv/ There is an error shown in the log cat shown b…
CAS: Invoking a webservice programmatically from within a servlet
I have two applications running on 2 different servers (one on tomcat and other on JBoss). Both these applications are connected to the same CAS server for authentication. Right now this CAS server also resides within the same JBoss. Now that I am invoking an url of App-1 from a browser. The CAS login page co…
java swing component cannot be resolved
I took the following code from a tutorial: The f.add(l); is highlighted and two errors are shown: The method add(Component) in the type Container is not applicable for the arguments (JLabel) The type javax.swing.JComponent cannot be resolved. It is indirectly referenced from required .class files Being relati…
Spring boot JPA insert in TABLE with uppercase name with Hibernate
i have a table entity mapped as : When i try to insert new record in database, the table name was translated in lowercase as : items_to_register , but my table name is ITEMS_TO_REGISTER How can i fix my problem without change MySql configuration? (my.cnf) I have in my application.properties file : Answer On h…
How to autowire properties bean from Condition
Does have anyone way to autowire bean in Condition? There is an next example. We have 2 implementation of FileManager. One of implementation should be initialize in depends on property ‘platform’. Properties handles via Archaius. . . . This code doesn’t work. Main reason is because ArchaiusP…
How to invalidate a file(to be refreshed) served from Cloudfront CDN via Java AWS SDK?
I am using Java SDK to uploaded images to S3, How do I invalidate a file in CloudFront so that it is refetched from s3 origin. How to do it via Java SDK ? Answer Note you can only have three concurrent invalidations; an invalidation seems to take 10-30 minutes.
Java version automatically change to java 1.5 after maven update
I am using eclipse as IDE. When I right click on the project and then click maven update my java version change to 1.5. Here is what I did so far, I followed all the steps listed here http://qussay.com/2013/09/13/solving-dynamic-web-module-3-0-requires-java-1-6-or-newer-in-maven-projects/ I changed “Jav…