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Helios 3.6.2 is slow and hangs often [message #658412]

Tue, 08 March 2011 12:41

Jasper Floor

Messages: 5
Registered: July 2009

Junior Member

I recently update to Eclipse Helios 3.6.2. I always do a fresh download and make new workspaces JIC. From the start I noticed that very often I am waiting for Helios. If I expand a an item in my explrorer it can take minutes. Refresh the same. Build, deploy, updating search indeces.... I have installed jboss AS tools, Maven plugin and ANTLR ide, but the problems were there before any plugins were installed.

Strangely enough a colleague reports the opposite behavior. He had similar problems in 3.6.1 and say they are gone in 3.6.2. So I don't know if this is a general problem or a local one. I was wondering if there are people with similar problems.

I am running:

Eclipse 3.6.2.
Ubuntu 10.10
Java 1.6.0_24

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Re: Helios 3.6.2 is slow and hangs often [message #662226 is a reply to message #658412]

Tue, 29 March 2011 18:57

Jennifer Mostert

Messages: 2
Registered: October 2010

Junior Member

I'm having the same issue.

I just upgraded to 3.6.2 (with CFEclipse, Aptana, Subversion, Android SDK plug-ins installed) and it is REALLY lagging. I'm just trying to upload one fairly small ColdFusion file (only 268 lines) and it keeps freezing on me. The time it takes to open a file, start typing, or expand my file list in Navigator is ridiculous.

I decided to update my software because I kept getting a socket error when FTPing, and now, I can hardly do anything without a delay or the whole program freezing. I'm on a good machine - 8GB RAM, 64-bit, Windows 7, Dual Core Intel 2.40Ghz...should be plenty to run this. Only other programs open are Outlook and Firefox.

If anyone has any idea how to speed this up, please let me know.

Thanks,
Jenny

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Re: Helios 3.6.2 is slow and hangs often [message #662607 is a reply to message #658412]

Thu, 31 March 2011 09:38

Mikhail Kalkov

Messages: 13
Registered: February 2011

Junior Member

Just a guess... Check that Eclipse is not trying to load anything from the net in the UI thread and waiting for the connection to time out or for the download to complete. I've seen this problem a couple times occurring after upgrades on machines behind firewalls, which resulted in ca. 45 second freezes. In my case the problem was fixed either by setting correct proxy or disabling the offending new plug-ins. You can use Wireshark or "sudo netstat --inet -anp | grep eclipse" for example.

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Re: Helios 3.6.2 is slow and hangs often [message #662675 is a reply to message #662607]

Thu, 31 March 2011 14:04

Jennifer Mostert

Messages: 2
Registered: October 2010

Junior Member

Thanks, Mikhail.

Before reading your post, I turned off all of my plug-ins and Eclipse was back to normal on start-up and I had no hang-ups.

I just downloaded/installed Wireshark to see if I can tell which plug-in is causing the problem. Unfortunately, I don't know much about networking and I'm not sure how to read the capture. Any suggestions on making sense of it?

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Re: Helios 3.6.2 is slow and hangs often [message #663244 is a reply to message #658412]

Mon, 04 April 2011 12:51

Mikhail Kalkov

Messages: 13
Registered: February 2011

Junior Member

Well, there might be several manifestations of network problems, but most likely your computer is trying to establish a TCP connection to a remote server and does not get any answer. The TCP handshake looks like this:
- your computer sends a TCP_SYN packet
- server responds with TCP_SYN and TCP_ACK in one packet
- your computer sends TCP_ACK to acknowledge server's response

The aforementioned situation with your computer receiving no replies would look like a sequence of TCP_SYN packets sent to the same address with no reply back. So, look for such a pattern, and if you have trouble using wireshark just google for wireshark tutorial or something like this.

Alternatively, many windows firewalls (aka internet security suites) have built-in view of active connections, so you could have a look there as well.

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