sanket jani

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since Apr 24, 2014
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Eclipse IDE C++ Java
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Recent posts by sanket jani

yes it is .
we can use pagination but still it is crashed
8 years ago
JSP
following is the code .
and it also crashed cause of the list contain 50000 data inside it



8 years ago
JSP
hello everyone
i am working on one web application and it contain the 50000 data into the database .

i have tried jquery data table to show data but no help from it .

is there any way to display such large amount of data ??
8 years ago
JSP
hello friends
i have stuck up in the error labeled above
while decrypting the code with RSA

i am encrypting the key generated by one servlet and decrypting it in another servlet
but while decrypting it gives error
following is my code

Servlet which encrypting the data




and following servlet i used to decrypt the data




following is the stacktrace of the error

Jun 27, 2015 12:07:59 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 3618 ms
Text to be encrypted :- com.sun.crypto.provider.DESKey@18cc9
Encrypted TEXT :- [B@50893e4c
DECRYPTED TEXT :- com.sun.crypto.provider.DESKey@18cc9
YES USER IDENTIFIED .... PROCEED NOW..........
WE ARE IN THE USERCHECK SERVLET
WE ARE IN THE VERIFY SERVLET
symmKey :- [B@50893e4c
javax.crypto.BadPaddingException: Data must start with zero
at sun.security.rsa.RSAPadding.unpadV15(Unknown Source)
at sun.security.rsa.RSAPadding.unpad(Unknown Source)
at com.sun.crypto.provider.RSACipher.doFinal(RSACipher.java:356)
at com.sun.crypto.provider.RSACipher.engineDoFinal(RSACipher.java:382)
at javax.crypto.Cipher.doFinal(Cipher.java:2087)
at com.msr.VerifyUser.decrypt(VerifyUser.java:99)
at com.msr.VerifyUser.doPost(VerifyUser.java:79)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
at java.lang.String.<init>(Unknown Source)
at com.msr.VerifyUser.decrypt(VerifyUser.java:105)
at com.msr.VerifyUser.doPost(VerifyUser.java:79)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)
8 years ago
this is the code which generate two keys


and i am calling this in to the servlet.
and want to store and retrieve from the database
8 years ago
hello friends ,

i want to store the generated keys into mysql database
i want to use RSA as the algorithm
if anyone have sample code for that than please share it

thank you.
8 years ago
i just added the following annotation on top of the class and its working fine now.

thank you very much all friends for your valuable response....

8 years ago
JSP
ok thanks
got the solution
8 years ago
JSP
hello friends
i have one problem with the servlet

i have jsp code on which value is displaying
so i set it in hidden parameter.
but when fetching this value on servlet it gives null

please help in this..

following is servlet code in which i am trying to fetch


following is the jsp code on which value is displaying correctly

8 years ago
JSP
THANK YOU VERY MUCH.......................

your suggestion worked for me

thank you..................E Armitage
logs doesn't show any error.
i have checked it .
whenever i click run on server it direct to the browser with registration.html
but after pressing the save button it gives the http status 404 error
currently i dont know where it is generating ?
i just configured tomcat in eclipse and make workspace and do my program