Game uuid generator install#
Game uuid generator generator#
Game uuid generator upgrade#
Game uuid generator code#

However, it has the downside of reduced security due to less randomness. To use it, just call ' generateuuid35 (namespace,name,version) '. I've only tested on Windows, but should work on any device. ‘/dev/urandom’ is another special file that is capable of generating random numbers. Description This is a script used to generate UUID v3 and v5. You can configure it to use ‘/dev/urandom’ instead of ‘/dev/random’. Java uses this file to generate random numbers. Unix-like operating systems come up with special file ‘/dev/random’ that serve as pseudorandom number generators.

Game uuid generator install#

On Redhat platforms (RHEL, Fedora, CentOS): sudo yum install rng-toolsģ. On Debian based platforms (Debian, Ubuntu): sudo apt-get install rng-tools Here is the ‘Haveged’ project GIT repository page.

Game uuid generator generator#

The ‘ haveged project‘ is meant to provide an easy-to-use, unpredictable random number generator based upon an adaptation of the HAVEGE algorithm. If your application is running in Linux, then you consider installing the ‘haveged’ library.

Game uuid generator upgrade#

So, if you can upgrade your JDK, please do so. However, it’s been fixed since JDK8u112 or JDK9b105. This problem is stemming because of a known bug in Java. If this problem surfaces in your application, the following are the potential solutions to address them: 1. Thus it was making the application unresponsive. You can notice that the thread got into a BLOCKED state when invoking ‘#randomUUID()’ due to a lack of ‘entropy’ and unable to progress forward. (ExecuteThread.java:221)įig: Stack trace of a thread stuck while making ‘#randomUUID()’ API call securedExecute(WebAppServletContext.java:2273)

AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) $ServletInvocationAction.wrapRun(WebAppServletContext.java:3730) (SecureRandom.java:433)Ĭom.topComponentMethodBbuggycompanyin(RootTracer.java:439)

Below is the stack trace of one of that 50 threads: ' ExecuteThread: '1' for queue: ' (self-tuning)'' waiting for lock BLOCKED In these 102 threads 50 threads are in the BLOCKED state due to ‘#randomUUID()’ API call. In the thread dump report, you can notice that there are 102 threads in total. A Golang library that generates a random adjective and Ubisoft game given a UUID Generator A Golang library that generates a random adjective and Ubisoft game given a UUID 2 min read u2ug: UUID to Ubisoft Game A Golang library that given a UUID (v1 or v4), will return the concatenation of a random adjective and Ubisoft game. (Note: in the thread dump report, we have changed the package name to ‘buggycompany’ to hide the identity of the application). It would give the better context of the problem. If you haven’t clicked on the hyperlink in the previous sentence, we request you do so. Here is a real-world thread dump report of an application that was suffering from this problem. Real world application – 50 threads BLOCKED in #randomUUID() API

Game uuid generator code#

)-(.)(.)-(.)(.)(.)(.)(.)(.If your application uses ‘#randomUUID()’ API in a critical code path and there is a lack of entropy in the operating system, then multiple threads can enter into this BLOCKED state bringing your entire application to a grinding halt. When #define-ing IIDs and CIDs in Mozilla C++ code, you generally use the following format: // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx

sfink's update-uuids will change the uuid for a given interface and all of its descendants, updating all *.idl files within a directory tree.Ī UUID can be generated from privileged Mozilla code using nsIUUIDGenerator.

jkeiser's Mozilla tools include a UUID generator with output format of both C++ and IDL style.

This can be found in package uuid-runtime (Debian). (This tool is also part of MS Visual C++) Linux Windows users can use the GuidGen tool from Microsoft to obtain a GUID.

You can get a GUID from one of the bots (such as botbot, firebot) on #firefox IRC channel by /msging 'uuid' to them.

UUID Generator for Mozilla Code (both IDL and C++.h forms).

Note: If you do choose to use an email-style ID for your add-on, you probably don't want it to be a real email address, since it might attract spam.