#fixed code
                                public void fetchLogs() {
        try {
            callback.open();
            this.request = getLogRequest(false);
            final HttpResponse response = client.execute(request);
            parseResponse(response);
        } catch (LogCallback.DoneException e) {
            // Signifies we're finished with the log stream.
        } catch (IOException exp) {
            callback.error(exp.getMessage());
        } finally {
            callback.close();
        }
    }
#vulnerable code 
                                public void fetchLogs() {
        try {
            callback.open();
            this.request = getLogRequest(false);
            final HttpResponse respone = client.execute(request);
            parseResponse(respone);
        } catch (LogCallback.DoneException e) {
            finish();
        } catch (IOException exp) {
            callback.error(exp.getMessage());
        } finally {
            callback.close();
        }
    } 
                            #location 6 
                            #vulnerability type THREAD_SAFETY_VIOLATION