paul2k
asked on
How to read a property file from an applet ?
Sir,
I have written a property file called "db.properties". In this I have specified the database driver,url,max connections,min connections ..etc. I am reading this db.properties from a java file by
FileInputStream fis = new FileInputStream("/usr/loca l/tomcat/w ebapps/pro ject/prope rties/db.p roperties" );
I have specifed the permissions in the java.policy file as\
grant codebase "file:${tomacat:home}/weba pps/projec t/properti es/-"{
permission java.io.FilePermission "db.properties" , "read,write,delete, execute"
}
but I am getting the error as below
java.security.AccessContro lException : access denied (java.io.FilePermission \usr\local\tomcat\webapps\ sujatha\db .propertie s read)
at java.security.AccessContro lContext.c heckPermis sion(Unkno wn Source)
at java.security.AccessContro ller.check Permission (Unknown Source)
at java.lang.SecurityManager. checkPermi ssion(Unkn own Source)
at java.lang.SecurityManager. checkRead( Unknown Source)
at java.io.FileInputStream.<i nit>(Unkno wn Source)
at java.io.FileInputStream.<i nit>(Unkno wn Source)
at redback.TableTest.getTestD ata(TableT est.java:2 2)
at redback.JTableDemo.init(JT ableDemo.j ava:40)
at sun.applet.AppletPanel.run (Unknown Source)
at java.lang.Thread.run(Unkno wn Source)
INSIDE START
INSIDE START
java.lang.NullPointerExcep tion
at redback.JTableDemo.display (JTableDem o.java:59)
at redback.JTableDemo.start(J TableDemo. java:48)
at sun.applet.AppletPanel.run (Unknown Source)
at java.lang.Thread.run(Unkno wn Source)
Can U help me out.
I have written a property file called "db.properties". In this I have specified the database driver,url,max connections,min connections ..etc. I am reading this db.properties from a java file by
FileInputStream fis = new FileInputStream("/usr/loca
I have specifed the permissions in the java.policy file as\
grant codebase "file:${tomacat:home}/weba
permission java.io.FilePermission "db.properties" , "read,write,delete, execute"
}
but I am getting the error as below
java.security.AccessContro
at java.security.AccessContro
at java.security.AccessContro
at java.lang.SecurityManager.
at java.lang.SecurityManager.
at java.io.FileInputStream.<i
at java.io.FileInputStream.<i
at redback.TableTest.getTestD
at redback.JTableDemo.init(JT
at sun.applet.AppletPanel.run
at java.lang.Thread.run(Unkno
INSIDE START
INSIDE START
java.lang.NullPointerExcep
at redback.JTableDemo.display
at redback.JTableDemo.start(J
at sun.applet.AppletPanel.run
at java.lang.Thread.run(Unkno
Can U help me out.
ASKER CERTIFIED SOLUTION
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Points to objects .
Asta
Asta
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:
- points to objects
Please leave any comments here within the next seven days.
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER !
vemul
Cleanup Volunteer
I will leave a recommendation in the Cleanup topic area that this question is:
- points to objects
Please leave any comments here within the next seven days.
PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER !
vemul
Cleanup Volunteer
Points awarded PAQd.
SpideyMod
Community Support Moderator @Experts Exchange
SpideyMod
Community Support Moderator @Experts Exchange
Below are your open questions as of today. Questions which have been inactive for 21 days or longer are considered to be abandoned and for those, your options are:
1. Accept a Comment As Answer (use the button next to the Expert's name).
2. Close the question if the information was not useful to you, but may help others. You must tell the participants why you wish to do this, and allow for Expert response. This choice will include a refund to you, and will move this question to our PAQ (Previously Asked Question) database. If you found information outside this question thread, please add it.
3. Ask Community Support to help split points between participating experts, or just comment here with details and we'll respond with the process.
4. Delete the question (if it has no potential value for others).
--> Post comments for expert of your intention to delete and why
--> YOU CANNOT DELETE A QUESTION with comments; special handling by a Moderator is required.
For special handling needs, please post a zero point question in the link below and include the URL (question QID/link) that it regards with details.
https://www.experts-exchange.com/jsp/qList.jsp?ta=commspt
Please click this link for Help Desk, Guidelines/Member Agreement and the Question/Answer process. https://www.experts-exchange.com/jsp/cmtyHelpDesk.jsp
Click you Member Profile to view your question history and please keep them updated. If you are a KnowledgePro user, use the Power Search option to find them.
Questions which are LOCKED with a Proposed Answer but do not help you, should be rejected with comments added. When you grade the question less than an A, please comment as to why. This helps all involved, as well as others who may access this item in the future. PLEASE DO NOT AWARD POINTS TO ME.
To view your open questions, please click the following link(s) and keep them all current with updates.
https://www.experts-exchange.com/questions/Q.11828839.html
https://www.experts-exchange.com/questions/Q.20037914.html
https://www.experts-exchange.com/questions/Q.20066185.html
https://www.experts-exchange.com/questions/Q.20076168.html
https://www.experts-exchange.com/questions/Q.20077502.html
https://www.experts-exchange.com/questions/Q.20079872.html
https://www.experts-exchange.com/questions/Q.20081831.html
https://www.experts-exchange.com/questions/Q.20082444.html
https://www.experts-exchange.com/questions/Q.20082581.html
https://www.experts-exchange.com/questions/Q.20086962.html
https://www.experts-exchange.com/questions/Q.20090793.html
https://www.experts-exchange.com/questions/Q.20091429.html
https://www.experts-exchange.com/questions/Q.20093571.html
https://www.experts-exchange.com/questions/Q.20093603.html
https://www.experts-exchange.com/questions/Q.20094479.html
https://www.experts-exchange.com/questions/Q.20153544.html
https://www.experts-exchange.com/questions/Q.20154058.html
To view your locked questions, please click the following link(s) and evaluate the proposed answer.
https://www.experts-exchange.com/questions/Q.20088570.html
***** E X P E R T S P L E A S E ****** Leave your closing recommendations.
If you are interested in the cleanup effort, please click this link
https://www.experts-exchange.com/jsp/qManageQuestion.jsp?ta=commspt&qid=20274643
------> POINTS FOR EXPERTS awaiting comments are listed in the links below
https://www.experts-exchange.com/commspt/Q.20277028.html (Part 1)
https://www.experts-exchange.com/jsp/qShow.jsp?ta=commspt&qid=20295853 (Part 2)
Moderators will finalize this question if in @7 days Asker has not responded. This will be moved to the PAQ (Previously Asked Questions) at zero points, deleted or awarded.
Thanks everyone.
Moondancer
Moderator @ Experts Exchange