alibaba / alibaba/Sentinel

[BUG] 样例项目bug

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Description

Entry entry = null;
try {
entry = SphU.entry(resource);

// Write your biz code here.
// <>
} catch (Throwable t) {
if (!BlockException.isBlockException(t)) {
Tracer.trace(t);
}
} finally {
if (entry != null) {
entry.exit();
}
}

这个是官网上的样例项目,这个代码有个问题,由于 entry = SphU.entry(resource);会触发异常,按照上述代码会导致由于entry异常而引发业务代码不执行。

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