The first time runs fine, other than taking large amounts of my heap (issue
for another thread).
Then on after the sleep time (15 mins) i recieve the error below. The odd
thing is, this works fine on another computer with the exact same libraries
and JRE (1.5.0_04). However when i turn the sleep time on the problem system
to 10 seconds, I do not recieve an error.
Shouldn't VFS be making a new connection every time the thread runs? It
seems that it is trying to use a cached connection even though i've made
every effort to call fsm.getFilesCache().close() to clear the file cache.
Any help is appreciated.
Exception:
org.apache.commons.vfs.FileSystemException: Could not determine the type of
file "<ftp path omitted for security reasons>".
at
org.apache.commons.vfs.provider.AbstractFileObject.attach(AbstractFileObject
.java:1229)
at
org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileO
bject.java:515)
at
com.familydollar.edi.index.EDIIndexer$IndexThread.processChildren(EDIIndexer
.java:290)
at
com.familydollar.edi.index.EDIIndexer$IndexThread.run(EDIIndexer.java:266)
Caused by: java.net.SocketException: Connection reset by peer: socket write
error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
at java.io.BufferedOutputStream.flush(Unknown Source)
at
org.apache.commons.net.telnet.TelnetClient._flushOutputStream(TelnetClient.j
ava:77)
at
org.apache.commons.net.telnet.TelnetOutputStream.flush(TelnetOutputStream.ja
va:137)
at java.io.FilterOutputStream.flush(Unknown Source)
at sun.nio.cs.StreamEncoder$CharsetSE.implFlush(Unknown Source)
at sun.nio.cs.StreamEncoder.flush(Unknown Source)
at java.io.OutputStreamWriter.flush(Unknown Source)
at java.io.BufferedWriter.flush(Unknown Source)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:442)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:520)
at org.apache.commons.net.ftp.FTP.port(FTP.java:849)
at
org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:477
)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2390
)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2364
)
at
org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2090)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrap
per.java:100)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObjec
t.java:122)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject
.java:91)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java
:167)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doAttach(FtpFileObject.jav
a:156)
at
org.apache.commons.vfs.provider.AbstractFileObject.attach(AbstractFileObject
.java:1215)
... 3 more
CODE:
class IndexThread extends Thread {
private ArrayList<String> fileNames;
public IndexThread(){fileNames = new ArrayList<String>();}
public void run(){
while(go){
Calendar c = Calendar.getInstance();
System.out.println("Indexing Service
Started: " + c.get(Calendar.DAY_OF_MONTH)+ "/"+ c.get(Calendar.MONTH) + "/"
+ c.get(Calendar.YEAR) +" "+c.get(Calendar.HOUR_OF_DAY)+
":"+c.get(Calendar.MINUTE)+":"+c.get(Calendar.MILLISECOND));
FileSystemManager fsm = null;
try {
//get a FileSystemManager from the
static class VFS (part of API)
fsm = VFS.getManager();
Iterator it =
fileMountPoints.iterator();
while(it.hasNext()){
//get the next file mount
point
// ex data is
"ftp://[EMAIL PROTECTED]/server/path/to/files"
String loc =
(String)it.next();
//resolve the URL into a
FileObject...
remoteFO =
fsm.resolveFile(loc);
//process the files and
folders in this directory
processChildren(remoteFO,
fsm);
}
//close the File Object ( attempt to
clear the cache and free memory )
remoteFO.close();
} catch (FileSystemException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}finally{
if(fsm!= null)
//an attempt to clear the
cache..
fsm.getFilesCache().close();
}
c = Calendar.getInstance();
System.out.println("Indexing Service Ended:
" + c.get(Calendar.DAY_OF_MONTH)+ "/"+ c.get(Calendar.MONTH) + "/" +
c.get(Calendar.YEAR) +" "+c.get(Calendar.HOUR_OF_DAY)+
":"+c.get(Calendar.MINUTE)+":"+c.get(Calendar.MILLISECOND));
try {
//sleeping thread...
Thread.sleep(Long.parseLong(props.getProperty("index.sleep")));
} catch (NumberFormatException e) {
System.out.println("index.sleep is
missing in index.config");
} catch (InterruptedException e) {
//stop the thread upon interruption
go = false;
}
}
}
Joe Williams
E-Commerce Analyst
Family Dollar
o:(704)849-7512
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