After over thirty years of distributed computing, debugging distributed applications is still regarded as a difficult task. While it could be argued that this condition stems from the complexity of distributed executions, the fast pace of evolution witnessed with distributed computing technologies has also played its role by shortening the life-span of many useful debugging tools. In this paper we present an extensible Eclipse-based tool which brings distributed threads and symbolic debuggers together, resulting in a simple and useful debugging aid. This extensible tool is based on a technique that is supported by elements that are common to synchronous-call middleware implementations, making it a suitable candidate for surviving technology evolution.