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Inventory gathering ndtrack processes on Unix-like operating systems may hang while attempting to gather Java version details if a file named "java" that is not executable is found on the filesystem.


When this issue occurs, output in the tracker.log file from the ndtrack process will stop after logging that looks like either of the following:

[Wed 05 Jan 2022 10:05:28 AM -03 (G, 0)] {17500} The file '/usr/java/jre7/bin/java' has been detected as a possible package registry
[Wed 05 Jan 2022 10:05:41 AM -03 (G, 0)] {17500} IBM MQ inventory was unsuccessful either because it is not installed or there was an error.


[Wed 05 Jan 2022 10:05:28 AM -03 (G, 0)] {17500} The file '/usr/java/jre7/bin/java' has been detected as a possible package registry
[Wed 05 Jan 2022 10:05:41 AM -03 (G, 0)] {17500} Java product: "Java(TM) SE Runtime Environment", full version: "8.1.037", publisher: "", install location: "/usr/java/jre8/bin".


This issue is caused by a failure by the ndtrack process to handle files name "java" on the filesystem that cannot be executed.

In particular, log message(s) in the tracker.log file stating:

The file '<path>/java' has been detected as a possible package registry

will identify a <path> that does not appear in a subsequent log message:

Java project: <details...>

One of the java files thus identified will be triggering this issue.


The inventory agent can be configured to avoid attempting to gather Java version details (and therefore avoid this issue) by setting the tracker component's PerformJavaScan preference to false.

This issue will also not occur if file scanning of directories that contain a problematic java executable is not performed. For example, this could be achieved by configuring the tracker component's ExcludeDirectory preference.

Additional information

Also see the following known issue which has similar symptoms but a different root cause: Inventory gathering process may terminate on Unix-like operating systems while gathering Java version details (IOJ-2241253)

Fix status

This issue has been fixed in the following FlexNet Manager Suite releases: 2019 R2.2 / Mar 2020 (Cloud), 2020 R1 (On Premises)

Other information

Affected components: Agent, Inventory

Master issue ID: IOJ-2072459

Also known as: FNML-67997

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By Level 8 Champion
Level 8 Champion

HI can this article please be updated? With ManageSoft Inventory agent 17.0.1' the issue is still present

By Community Manager Community Manager
Community Manager

@Ronny_OO7 - the specific bug in the code that was root cause of this known issue is not present in the 17.0.1 agent. Is it possible that the issue you are seeing is the known (but currently unfixed) issue linked from the "Additional information" section of this article?

It is also possible there is another (unknown) issue with similar symptoms - the symptoms described in this article could potentially have other root causes. If you are encountering symptoms like described with the 2021 R1 (17.0.1) agent that aren't otherwise explained then I'd suggest raising a case with Flexera Support so that they can be investigated.

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Last update:
‎Jun 12, 2022 03:52 AM
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