java.io.IOException: Connection reset by peer The other side has abruptly aborted the connection in midst of a transaction. That can have many causes which are not controllable from the server side on. E.g. the enduser decided to shutdown the client or change the server abruptly while still interacting with your server, or the client program … Read more
You’re calling writer.close(); after you’ve done writing to it. Once a stream is closed, it can not be written to again. Usually, the way I go about implementing this is by moving the close out of the write to method. And add a method cleanUp to close the stream. This means that you have the … Read more
It may not be mandatory to add the throws IOException to your main function, but its mandatory to do something about the exception. When you’re doing file io, or network io, or other (?) io, something could go wrong. The file might not exist, it could be on a bad sector of the disk, the … Read more
Error: filecontent.java:15: unreported exception java.io.IOException; must be caught or declared to be thrown showfile(); ^ filecontent.java:78: unreported exception java.io.IOException; must be caught or declared to be thrown showfile(); ^ I have already thrown java.io.IOException, but still it shows these errors. My code:
This error usually means that the target machine is running, but the service that you’re trying to connect to is not available. (Either it stopped, crashed, or is busy with another request.) In English: The connection to the machine (remote host/server/PC that the service runs at) was made but since the service was not available on that machine, the … Read more
This simply means that something in the backend ( DBMS ) decided to stop working due to unavailability of resources etc. It has nothing to do with your code or the number of inserts. You can read more about similar problems here: http://kr.forums.oracle.com/forums/thread.jspa?threadID=941911 http://forums.oracle.com/forums/thread.jspa?messageID=3800354 This may not answer your question, but you will get an … Read more
What is the cause? The error message is pretty clear: you’re trying to access a file, and it’s not accessible because another process (or even the same process) is doing something with it (and it didn’t allow any sharing). Debugging It may be pretty easy to solve (or pretty hard to understand), depending on your … Read more