bookkeeper-server/src/main/java/org/apache/bookkeeper/sasl/SASLClientProviderFactory.java [117:129]:
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    public void close() {
        if (ticketRefreshThread != null) {
            ticketRefreshThread.interrupt();
            try {
                ticketRefreshThread.join(10000);
            } catch (InterruptedException exit) {
                Thread.currentThread().interrupt();
                if (LOG.isDebugEnabled()) {
                    LOG.debug("interrupted while waiting for TGT reresh thread to stop", exit);
                }
            }
        }
    }
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bookkeeper-server/src/main/java/org/apache/bookkeeper/sasl/SASLBookieAuthProviderFactory.java [109:121]:
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    public void close() {
        if (ticketRefreshThread != null) {
            ticketRefreshThread.interrupt();
            try {
                ticketRefreshThread.join(10000);
            } catch (InterruptedException exit) {
                Thread.currentThread().interrupt();
                if (LOG.isDebugEnabled()) {
                    LOG.debug("interrupted while waiting for TGT reresh thread to stop", exit);
                }
            }
        }
    }
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