public long getClassCacheLoadFailureCount() {
        // don't use classMap.stats().loadFailureCount() because the load mechanism always succeeds with a future
        // that will in turn contain the success or failure
        return failedCompilationCount.longValue();
    }
Gets the total number of times the cache lookup method failed to compile a new script.
gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/jsr223/GremlinGroovyScriptEngine.java