Brokenlinks: Error and stactrace logged: "Connection pool shut down"

When the brokenlinks checker runs on Go Green 3.07.02, the following exception is logged:

27.02.2013 09:00:10 ERROR [org.onehippo.cms7.brokenlinks.LinkChecker$LogUncaughtExceptionHandler.uncaughtException():198] java.lang.IllegalStateException: Connection pool shut down
java.lang.IllegalStateException: Connection pool shut down
at org.apache.http.pool.AbstractConnPool.getPoolEntryBlocking(AbstractConnPool.java:220)
at org.apache.http.pool.AbstractConnPool.access$000(AbstractConnPool.java:62)
at org.apache.http.pool.AbstractConnPool$2.getPoolEntry(AbstractConnPool.java:176)
at org.apache.http.pool.AbstractConnPool$2.getPoolEntry(AbstractConnPool.java:172)
at org.apache.http.pool.PoolEntryFuture.get(PoolEntryFuture.java:100)
at org.apache.http.impl.conn.PoolingClientConnectionManager.leaseConnection(PoolingClientConnectionManager.java:212)
at org.apache.http.impl.conn.PoolingClientConnectionManager$1.getConnection(PoolingClientConnectionManager.java:199)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:455)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
at org.onehippo.cms7.brokenlinks.LinkChecker$LinkCheckerRunner.run(LinkChecker.java:147)

Broken links are reported as normal.