Troubleshooting Deadlock in an Apache Open-Source Library

Apache PDFBox is a popular open-source library that facilitates Java applications to work with PDF documents. Recently, we encountered a deadlock that surfaced in this library. In this post, we have shared how we troubleshot and identified the root cause of the problem.

What Is Deadlock?

First, let’s try to understand what "deadlock" means. Several technical definitions aren’t clear. The "deadlock" definition is one among them. Deadlock’s definition goes like this:

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Editor's Note: The following is an article written for and published in DZone's 2024 Trend Report, Low-Code Development: Elevating the Engineering Experience With Low and No Code. The relevance of low-code development is growing as businesses see... […]
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Editor's Note: The following is an article written for and published in DZone's 2024 Trend Report, Low-Code Development: Elevating the Engineering Experience With Low and No Code. The rise of low-code and no-code (LCNC) platforms has sparked a de... […]
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As you can understand from my previous blogs I am really into PostgreSQL. Previously we ran Debezium in Embedded mode. Behind the scenes, Debezium consumes the changes that were committed to the transaction log. This happens by utilizing the logical de... […]
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As the software development landscape continues to evolve at a rapid pace, Java stands out as a foundational language that drives a multitude of applications on a global scale. In 2024, the role of a Java software architect has assumed unprecedented si... […]
How To Plan a (Successful) MuleSoft VPN Migration (Part II)
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In this second post, we'll be reviewing more topics that you should take into consideration if you're planning a VPN migration. If you missed the first part, you can start from there. […]