Java IOException - Stream Closed

Question

I get \"IOException: Stream Closed\" when I run this program. The text contains many lines of data. Program should read each line, do necessary functio

Answer 1

You close the input stream in your loop:

while ((inputLine = in.readLine()) != null) // error

               // System.out.println(inputLine);
in.close();  

You should close the stream outside of the loop:

while ((inputLine = in.readLine()) != null) // error
{
   //dosomething
   // System.out.println(inputLine);
}
in.close();  

Answer 2

You should put a function call in the while loop, like:

1. a System.out.println("Hi, I'm a row!"); or
2. uncomment System.out.println(inputLine); or
3. put a semicolon at the end of the while statement

in order to let it to execute properly.

The code as it is written executes (comments omitted):

...
   while ((inputLine = in.readLine()) != null)
     in.close();  
...

so the first cycle of the loop executes correctly and runs in.close(). Then the second cycle the call inputLine = in.readLine() fails because the stream is closed and then the exception is thrown.