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copied!<p>Just after writing the question started thinking about utility method powered with generics. Then remembered something about <a href="http://guava-libraries.googlecode.com/svn/trunk/javadoc/com/google/common/base/Throwables.html" rel="nofollow noreferrer">Throwables</a>. And yes, it's already there! )</p> <p>It may also be necessary to handle <a href="https://github.com/google/guava/issues/2867" rel="nofollow noreferrer">UncheckedExecutionException or even ExecutionError</a>.</p> <p>So the solution is:</p> <pre><code>public Post getPost(final Integer key) throws SQLException, IOException { try { return cache.get(key, new Callable<Post>() { @Override public Post call() throws Exception { return PostsDB.findPostByID(key); } }); } catch (ExecutionException e) { Throwables.propagateIfPossible( e.getCause(), SQLException.class, IOException.class); throw new IllegalStateException(e); } catch (UncheckedExecutionException e) { Throwables.throwIfUnchecked(e.getCause()); throw new IllegalStateException(e); } } </code></pre> <p>Very nice!</p> <p>See also <a href="https://code.google.com/p/guava-libraries/wiki/ThrowablesExplained#Controversial:_Exception_tunneling" rel="nofollow noreferrer">ThrowablesExplained</a>.</p> <p>See also <a href="https://github.com/google/guava/wiki/Why-we-deprecated-Throwables.propagate" rel="nofollow noreferrer">Why we deprecated Throwables.propagate</a> and <a href="https://google.github.io/guava/releases/snapshot/api/docs/com/google/common/cache/LoadingCache.html#getUnchecked-K-" rel="nofollow noreferrer">LoadingCache.getUnchecked</a>.</p>

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