Missing Permissions manifest attribute in main jar - nullpointerexception

Question

I am trying to run an applet in html, but keep getting this NullPointerException.
Below is the stacktrace,
CacheEntry[file:/C:/Users/User/workspace/SearchAlgorithms/bin/Main.jar]: updateAvailable=false,lastModified=Fri Apr 24 15:09:46 IST 2015,length=10095
Missing Permissions manifest attribute in main jar: file:/C:/Users/User/workspace/SearchAlgorithms/bin/Main.jar
java.io.FileNotFoundException: dataProduct.csv (The system cannot find the file specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at Main.init(Main.java:39)
at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter.init(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
java.io.FileNotFoundException: dataLocation.csv (The system cannot find the file specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at Main.init(Main.java:45)
at com.sun.deploy.uitoolkit.impl.awt.AWTAppletAdapter.init(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Java Plug-in 10.79.2.15
Using JRE version 1.7.0_79-b15 Java HotSpot(TM) Client VM
User home directory = C:\Users\User
Things that I have tried:
Signing the jar file
Including the accesscontrol.dopriviledge,
try {
FileInputStream fis = AccessController.doPrivileged(
new PrivilegedExceptionAction<FileInputStream>() {
public FileInputStream run() throws FileNotFoundException {
return new FileInputStream("someFile");
}
});
} catch (PrivilegedActionException e) {
// e.getException() should be an instance of FileNotFoundException,
// as only "checked" exceptions will be "wrapped" in a
// PrivilegedActionException.
throw (FileNotFoundException) e.getException();
}
The applet runs perfectly on the applet viewer. But embedding in html, gives the NullPointerException.
Please Help.