启动问题: 执行start-all.sh出现以下异常信息: failed to launch: nice -n 0 /bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://master:7077 解决方案: Just added export JAVA_HOME=/usr/java/default in /root/.bashrc su root vi /root/.bashrc expor…
Ubuntu16.04安装Scrapy(pip install Scrapy)时提示错误如下: Failed building wheel for cryptography Running setup.py clean for cryptography Failed to build cryptography error: command ---------------------------------------- Command in /tmp/pip-build-2wwgqS/crypt…
PHP message:filesize(): stat failed for 错误 message:filesize(): stat failed for F:s2017\SinaImgUpload\SinaImgUpload\bin\Debug\TempPath\Cookies.txt 我看了下phpstorm写的路径是正确的,但怎么都获取不到数据 我认真检查以后,发现\v被转义了. const SinaCookiesFile="F:\\vs2017\SinaImgUpload\SinaIm…