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kostia_p
Level 7

McAfee Web Reporter Attempted to open sandboxed jar as a Trusted-Library Error

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After Java upgrading we can't work on McAfee Web Reporter console due the error:

Attempted to open sandboxed jar https://..../reporter/sfclientvariable.jar as a Trusted-Library

Could anyone please help with this?

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aloksard
Level 9

Re: McAfee Web Reporter Attempted to open sandboxed jar as a Trusted-Library Error

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Hi Kostia,

Hope you are doing well.

Firstly Web reporter is EOL/EOS on 12/31/2017. Please consider moving to CSR ( Content Security Reporter) for reporting solution.

One thing here you can enable Java logging on your machine from where you are trying to access web reporter GUI ans check if you are seeing below error:-

 In the java console output you will see following message:

 security: WARNING: The following resource is signed with a weak signature algorithm MD5withRSA and is treated as unsigned: https://x.x.x.x:9112/reporter/launcher.jar This algorithm is now disabled by the security property:

jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024

 If this is case then request you to make suggested changes as mentioned in below KB:-

 https://kc.mcafee.com/corporate/index?page=content&id=KB88778

 

 Also NOTE:- MWR should ONLY use Java SE Development Kit 6u21 on the machine where you access UI as recommended.

 

Regards

Alok Sarda

 

 

 

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2 Replies
aloksard
Level 9

Re: McAfee Web Reporter Attempted to open sandboxed jar as a Trusted-Library Error

Jump to solution

Hi Kostia,

Hope you are doing well.

Firstly Web reporter is EOL/EOS on 12/31/2017. Please consider moving to CSR ( Content Security Reporter) for reporting solution.

One thing here you can enable Java logging on your machine from where you are trying to access web reporter GUI ans check if you are seeing below error:-

 In the java console output you will see following message:

 security: WARNING: The following resource is signed with a weak signature algorithm MD5withRSA and is treated as unsigned: https://x.x.x.x:9112/reporter/launcher.jar This algorithm is now disabled by the security property:

jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024

 If this is case then request you to make suggested changes as mentioned in below KB:-

 https://kc.mcafee.com/corporate/index?page=content&id=KB88778

 

 Also NOTE:- MWR should ONLY use Java SE Development Kit 6u21 on the machine where you access UI as recommended.

 

Regards

Alok Sarda

 

 

 

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kostia_p
Level 7

Re: McAfee Web Reporter Attempted to open sandboxed jar as a Trusted-Library Error

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Alok Sarda, thanks a lot! You helped me out with this. The problem was in disabledAlgorithms parameter for jkd.

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