java - PUSH-000503 : MultiplexerBlockedException while calling Client. 已订阅

Question

有时，我在检查某个主题的 isSubscribed 时会遇到以下异常。

检查条件:Client.isSubscribed(topic)

异常:com.pushtechnology.diffusion.多路复用器.MultiplexerBlockedException

Answer 1

此异常在 logs/Server.log 中显示为 PUSH-000503 并附有说明

A blocking operation failed because the multiplexers failed to process it within {} milliseconds

该超时的默认值为 30 秒，这是多路复用器等待的生命周期。 The manual says the following: "This indicates that the server is severely overloaded or deadlocked" .

另一方面，v5.5 版本不受支持，建议您在尝试复制之前升级。