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Problems with Internet access to chat sites from different notebooks

Hello!

We - my wife and me - are experiencing a strange phenomenon. She is using an Acer notebook under Windows Vista Home Premium, I am using a DELL notebook under Windows 7. The Internet access is fine on both computers. We can open different sites. But my wife wants to access several chat sites. Both computers have Java 7 / 25 installed. Interestingly, all three chat sites can be accessed from both notebooks, but the chat client does not start on both.

When clicking on the "Start chat" button, Java starts. After two minutes, the Java.com text appears and the part of the page where the chat appears normally remains empty. The end message is always the same: A ClassNotFound dialog opens.

What could be the reason for such a behaviour? To reduce possibilities, we stopped the WLAN (supplied from cable) and used my smartphone as Internet access. As expected, the result didn't change.

Until two hours before. all these sites were present.

Thank you for your suggestions!
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Ahmet Ekrem SABAN
Asked:
Ahmet Ekrem SABAN
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1 Solution
 
nate0187Commented:
It sounds like it is on the chat website end. Did you contact them to see, what browser they recommend, and about the issue your having?
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Ahmet Ekrem SABANSenior IT consultantAuthor Commented:
We used Internet Explorer 9, Google Chrome version 27 on both notebooks. On the Acer, we tried also with Mozilla Firefox 21. Microsoft Internet Explorer & Google Chrome could access all the "sobhet*" sites until two hours ago.

Attached are some images for convenience...
beyzam.net.PNG
Sohbethane.net.PNG
Sohbetklas.com.png
Sohbethane.net-ClassNotFound.PNG
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Michael MachieFull-time technical multi-taskerCommented:
I had a similar issue with the chat feature on the ADP site. Same version of Java (7/25) as you. The site worked yesterday but not today.

I uninstalled and reinstalled Java to resolve. Not saying this will definitely help you because your phone has the same issue, but who knows, try it.
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Ahmet Ekrem SABANSenior IT consultantAuthor Commented:
I deinstalled Java 7 Update 25 & installed the new download again. Unfortunately, what helped you didn't change anything on the Acer notebook. I again get the ClassNotFoundException in the esChat.class...

I tried to access the sites after deinstalling Java 7 Update 25 and using the update before (7/21), but no avail. So, I reinstalled Java 7 Update 25 again.

Now, I tried it with an old Toshiba notebook under Windows XP having Java 6, but no avail again.
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Ahmet Ekrem SABANSenior IT consultantAuthor Commented:
The mystery is over. We got news that yesterday evening, several sites were under cracker attack and closed. Now, we can access all three sites again.

Thank you for your help!
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Ahmet Ekrem SABANSenior IT consultantAuthor Commented:
The problem was solved per chance. My wife got information from the sites that there had been a cracker attack. Therefore, the sites were only available over miRC.
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