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Struts 2 : Warning :No configuration found for the specified action: 'Login.action' in namespace: '/'

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No configuration found for the specified action: 'Login.action' in namespace: '/'''. Form action defaulting to 'action' attribute's literal value. Solution: To remove this warning you need to change following... See your struts.xml file what name you have specified... If you are using namespace / and your action name is 'Login' then  replace Login.action to Login as given below... <s:form action=" Login.action " method="post" >   Use below with namespace  1) <s:form action=" Login " method="post" namespace="/">   Or   2) <s:form action=" /Login " method="post" >   Now you will not get this warning.
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Read Images from a xlsx file using Apache POI

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This article is all about how to read and download images inside a file in xlsx format. We will use Apache POI using java. 1. Maven dependencies commons-logging-1.2.jar  commons-collections4-4.1.jar openxml4j-1.0-betapoi-3.16.jar poi-ooxml-3.16.jar poi-ooxml-schemas-3.16.jar xmlbeans-2.6.0.jar servlet-api 2. Sharing java code import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Iterator; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import org.apache.poi.ss.usermodel.PictureData; import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFDrawing; import org.apache.poi.xssf.usermodel.XSSFPicture; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFShape; import org.apache.poi.xssf.usermodel.XSSFSheet; imp...
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Can not connect to git using ssh (Permissions 0644 for '/root/.ssh/id_rsa' are too open.

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Permissions 0644 for '/root/.ssh/id_rsa' are too open. It is required that your private key files are NOT accessible by others. ------------------------ root@media-Vostro-1540:~/.ssh# ssh -T git@github.com @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @         WARNING: UNPROTECTED PRIVATE KEY FILE!          @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions 0644 for '/root/.ssh/id_rsa' are too open. It is required that your private key files are NOT accessible by others. This private key will be ignored. bad permissions: ignore key: /root/.ssh/id_rsa Permission denied (publickey). Solution : First check the permission on id_rsa directory root@media-Vostro-1540:~/.ssh# ls -lrt total 12 -rw-r--r-- 1 root root 2160 Jun  4 15:05 known_hosts -rw-r--r-- 1 root root 1766 Jun  4 15:12 id_rsa -rw-r--r-- 1 root root  415 Jun  4 15:12 id_rsa.pub Ch...
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