Get answers to your frequently asked questions about Astah UML.
Please refer to our License Guide.
Please refer to our License Guide.
If you’d like a quote, please send us a quote request for your license renewal from this form.
You will receive an email from our online store – mailer@fastspring.com 10 days before your subscription license expires. To cancel, access the link in the email and press [Cancel Subscription].
If you cannot find the email, please contact us to ask for a cancellation of the subscription.
Yes. Academic pricing is available to qualified academic institutions. See the Academic Pricing page.
Yes, please send us a quote request through this form.
Yes, use the command below.
e.g: Installing Astah UML 8.2
astah-uml-8_2_0-66631d-jre-64bit-setup.exe /verysilent
If you would like to install Astah to a specific directory, use /DIR option.
astah-uml-8_2_0-66631d-jre-64bit-setup.exe /verysilent /DIR=”the destination of installataion folder
Please refer to Astah UML System Requirement page.
The performance level of Astah depends on the RAM capacity of your machine. Try the following methods:
Refer to the How to use a specific version of the JavaVM and use the latest version of Java.
In some environments, having this option on will make rendering slower.
When the value of INITIAL_HEAP_SIZE is set to 16m, the garbage collection does not work fully unless your computer uses more memory than 16MB.
Download the latest version is available from Download page.
Closing the Map View could increase the performance a little. To close, go to [Tools] – [System Properties] – [Project View] and take the tick off the [Show Map View below Project View].
Disabling the Content Assist (A dotted green line that appears on the diagram when you try to move and align objects with others) and Suggest Feature could increase the performance a little. To close, go to [Tools] – [System Properties] – [Diagram Editor] and take the tick off two options.
Yes. Please create Object diagrams using the Class diagram.
Please use [Instance Specifications] and [Link] are on the Tool Bar of Class Diagrams.
In that case, Clone the model instead of copying. A cloned model will be an independent model.
Astah project files (.asta) are upward compatible. If project files have been edited by newer version, they cannot be opened in older version of Astah. For information about model versions, click here.
If you cannot open project files using appropriate version of Astah, please change the stack size in the [Tools] – [System Properties] – [File].
Astah project files (.asta) are upward compatible. If project files have been edited by newer version, they cannot be opened in older version of Astah. For information about model versions, click here.
If you cannot open project files using appropriate version of Astah, please change the stack size in the [Tools] – [System Properties] – [File].
In that case, Clone the model instead of copying. A cloned model will be an independent model.
Invalid models are broken data that were produced due to the software’s bug.
If you were asked to correct invalid models – that means your log file indicates that your project file may contain invalid models.
Go to [Tools] – [Correct Model] – [Correct Invalid Models] and continue by following the messages that would appear.
If you have a preferred Java to use Astah, you can use it by following the instruction below. However technical support is not provided if you are using Astah on un-supported System Requirements.
When you use un-supported Java to run Astah, you will get the alert when launching Astah. To ignore this alert,, add-nojvchk option at launch.
Please refer to “How to run Astah on Linux“.
When you are asked to send log files along with your bug report, please send the 2 log files that are stored in your home directory:
You can find them in the USER_HOME\.astah\uml directory.
Additionally, if your bug may be related to the plug-ins, please send us the log file accordingly which you can also find in the USER_HOME\.astah\uml directory.