title: Ionic zip throws out of memory exception
body: <p>I use ionic zip (version-1.9.1.8) to compress some files..I usually have large files summing to 2 to 3 GB ...this ionic zip works fine in my system but while i use it in another user machine(ONSITE)...this ionic zip throws an exception as follows.The configuration of both the system are same.</p>
  
  <pre><code>Exception details:
  ******************
  [6/11/2012 01:21:38:812]
   System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
     at Ionic.Zip.ZipEntry._WriteEntryData(Stream s)
     at Ionic.Zip.ZipEntry.Write(Stream s)
     at Ionic.Zip.ZipFile.Save()
     at Ionic.Zip.ZipFile.Save(String fileName)
     at MyCode.SaveZipFile()
  
  [6/11/2012 01:21:38:828]
  
  System.NullReferenceException: Object reference not set to an instance of an object.
     at Ionic.Zlib.ParallelDeflateOutputStream._Flush(Boolean lastInput)
     at Ionic.Zlib.ParallelDeflateOutputStream.Close()
     at Ionic.Zlib.ParallelDeflateOutputStream.Dispose()
     at Ionic.Zip.ZipFile.Dispose(Boolean disposeManagedResources)
     at Ionic.Zip.ZipFile.Dispose()
     at Mycode.SaveZipFile()
     at Mycode.SaveLogs()
  </code></pre>
  
  <p>Could someone help me to find the cause of such issues..??</p>
  
  <p>Thanks in advance</p>