- Original Message -
From: "Nicolas Maisonneuve" <[EMAIL PROTECTED]>
To: "Lucene Users List" <[EMAIL PROTECTED]>
Sent: Thursday, January 15, 2004 3:58 PM
Subject: Re: Betreff: Copy Directory to Directory function ( backup)
> thanks ! the copy function works
> but i have troubles..
> I used a scheduled task to backup the index.
> for the test , a backup is made all the 15 secondes.
> and sometime , in the backup process,
> when i clean a directory with :
> Directory target=FSDirectory.getDirectory(selected_backup_dir, true);
> i have a Exception :
> java.io.IOException: couldn't delete segments
> at org.apache.lucene.store.FSDirectory.create(FSDirectory.java:166)
> at org.apache.lucene.store.FSDirectory.(FSDirectory.java:151)
> at org.apache.lucene.store.FSDirectory.getDirectory(FSDirectory.java:132)
> at
>
lab.crip5.ECR.cocoon.components.IndexBackupJob.backup(IndexBackupJob.java:13
> 5)
>
> the exception happend sometimes
>
> my backup function is simple :
>
> private void backup (String index_to_backup) throws Exception {
> getLogger().info("begin backup index "+index_to_backup+" at "+new
> Date()+"...");
>
> // get the directory of the index
> Directory
> source=index_manager.getIndex(index_to_backup).getDirectory();
>
> // select target backup directory
> File target_backup_dir=select_backup(index_to_backup);
>
> // clean the old index
> Directory target=FSDirectory.getDirectory(new_backup_dir, true);
>
> // backup
> copy(source, target);
>
> target.close();
>
> getLogger().info("end backup index "+index_to_backup+" at "+new
> Date()+"...ok");
> }
>
> - Original Message -
> From: "Nicolas Maisonneuve" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Thursday, January 15, 2004 3:21 PM
> Subject: Fw: Betreff: Copy Directory to Directory function ( backup)
>
>
> >
> > - Original Message -
> > From: "Nick Smith" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Thursday, January 15, 2004 2:58 PM
> > Subject: Betreff: Copy Directory to Directory function ( backup)
> >
> >
> > > Hi Nico,
> > >This is the method that I use for backing up my indices...
> > >
> > > Good Luck!
> > >
> > > Nick
> > >
> > > /**
> > >* Copy contents of dir, erasing current contents.
> > >*
> > >* This can be used to write a memory-based index to disk.
> > >*
> > >* @param dir a Directory value
> > >* @exception IOException if an error occurs
> > >*/
> > > public void copyDir(Directory dir) throws IOException {
> > > // remove current contents of directory
> > > create();
> > >
> > > final String[] ar = dir.list();
> > > for (int i = 0; i < ar.length; i++)
> > > {
> > > // make place on disk
> > > OutputStream os = createFile(ar[i]);
> > > // read current file
> > > InputStream is = dir.openFile(ar[i]);
> > >
> > > final int MAX_CHUNK_SIZE = 131072;
> > > byte[] buf = new byte[MAX_CHUNK_SIZE];
> > > int remainder = (int)is.length();
> > > while (remainder > 0) {
> > > int chunklen = (remainder > MAX_CHUNK_SIZE ? MAX_CHUNK_SIZE :
> > remainde!
> > > is.readBytes(buf, 0, chunklen);
> > > os.writeBytes(buf, chunklen);
> > > remainder -= chunklen;
> > > }
> > >
> > > // graceful cleanup
> > > is.close();
> > > os.close();
> > > }
> > > }
> > >
> > >
> > >
> >
> >
> >
> >
> > -
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
>
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