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该问题已被官方收录

如何快速看懂源码

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

public final class UploadManager {
    private final Client client;
    private final Recorder recorder;
    private final Configuration configuration;

public UploadManager(Configuration config) {
        this(config, (Recorder)null);
    }

public UploadManager(Configuration config, Recorder recorder) {
        this.configuration = config.clone();
        this.client = new Client(this.configuration);
        this.recorder = recorder;
    }

private static void checkArgs(String key, byte[] data, File f, String token) {
        String message = null;
        if (f == null && data == null) {
            message = "no input data";
        } else if (token == null || token.equals("")) {
            message = "no token";
        }

if (message != null) {
            throw new IllegalArgumentException(message);
        }
    }

private static StringMap filterParam(StringMap params) {
        final StringMap ret = new StringMap();
        if (params == null) {
            return ret;
        } else {
            params.forEach(new Consumer() {
                public void accept(String key, Object value) {
                    if (value != null) {
                        String val = value.toString();
                        if (key.startsWith("x:") && !val.equals("")) {
                            ret.put(key, val);
                        }

}
                }
            });
            return ret;
        }
    }

public Response put(byte[] data, String key, String token) throws QiniuException {
        return this.put((byte[])data, key, token, (StringMap)null, (String)null, false);
    }

public Response put(byte[] data, String key, String token, StringMap params, String mime, boolean checkCrc) throws QiniuException {
        checkArgs(key, data, (File)null, token);
        if (mime == null) {
            mime = "application/octet-stream";
        }

params = filterParam(params);
        return (new FormUploader(this.client, token, key, data, params, mime, checkCrc, this.configuration)).upload();
    }

public Response put(String filePath, String key, String token) throws QiniuException {
        return this.put((String)filePath, key, token, (StringMap)null, (String)null, false);
    }

public Response put(String filePath, String key, String token, StringMap params, String mime, boolean checkCrc) throws QiniuException {
        return this.put(new File(filePath), key, token, params, mime, checkCrc);
    }

public Response put(File file, String key, String token) throws QiniuException {
        return this.put((File)file, key, token, (StringMap)null, (String)null, false);
    }

public Response put(File file, String key, String token, StringMap params, String mime, boolean checkCrc) throws QiniuException {
        checkArgs(key, (byte[])null, file, token);
        if (mime == null) {
            mime = "application/octet-stream";
        }

params = filterParam(params);
        long size = file.length();
        if (size <= (long)this.configuration.putThreshold) {
            return (new FormUploader(this.client, token, key, file, params, mime, checkCrc, this.configuration)).upload();
        } else {
            ResumeUploader uploader = new ResumeUploader(this.client, token, key, file, params, mime, this.recorder, this.configuration);
            return uploader.upload();
        }
    }

public void asyncPut(byte[] data, String key, String token, StringMap params, String mime, boolean checkCrc, UpCompletionHandler handler) throws IOException {
        checkArgs(key, data, (File)null, token);
        if (mime == null) {
            mime = "application/octet-stream";
        }

params = filterParam(params);
        (new FormUploader(this.client, token, key, data, params, mime, checkCrc, this.configuration)).asyncUpload(handler);
    }

public Response put(InputStream stream, String key, String token, StringMap params, String mime) throws QiniuException {
        String message = null;
        if (stream == null) {
            message = "no input data";
        } else if (token == null || token.equals("")) {
            message = "no token";
        }

if (message != null) {
            throw new IllegalArgumentException(message);
        } else {
            StreamUploader uploader = new StreamUploader(this.client, token, key, stream, params, mime, this.configuration);
            return uploader.upload();
        }
    }
}

该问题已被官方收录

spring rmi 运行时会报出主机拒绝连接的错误

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

<bean name="rmiSend" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="service" ref="SendService"/>
        <property name="serviceName" value="userRmiServiceTest1"/>
        <property name="serviceInterface" value="com.mvc.service.SendService"/>
        <property name="registryPort" value="1025"/>
    </bean>

    <bean name="rmiOss" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <property name="service" ref="OssService"/>
        <property name="serviceName" value="userRmiServiceTest2"/>
        <property name="serviceInterface" value="com.mvc.service.OssService"/>
        <property name="registryPort" value="1026"/>
    </bean>

该问题已被官方收录

用@Autwired注解配置service,报错

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

连接不上数据库

1

spring

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/learn?useSSL=false&characterEncoding=UTF-8
username=root
password=qq798256289

该问题已被官方收录

创建数据表和导入数据时总是出现上图红圈记号所示的错误，但不影响运行结果

0

1

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

memcached 工具类方法不执行

1

memcache

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

我的memcache 配置文件
<beans xmlns="http://www.springframework.org/schema/beans" 
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

<bean id="memCachedPool" class="com.whalin.MemCached.SockIOPool"
          factory-method="getInstance" init-method="initialize"
          lazy-init="false" destroy-method="shutDown">
        
        <constructor-arg>
            <value>memCachedPool</value>
        </constructor-arg>

<property name="servers">
            <list>
                <value>127.0.0.1:11211</value>
            </list>
        </property>

<property name="initConn">
            <value>10</value>
        </property>

<property name="minConn">
            <value>5</value>
        </property>

<property name="maxConn">
            <value>50</value>
        </property>

<property name="maintSleep">
            <value>30</value>
        </property>

<property name="nagle">
            <value>false</value>
        </property>

<property name="socketTO">
            <value>3000</value>
        </property>
    </bean>

<bean id="memCachedClient" class="com.whalin.MemCached.MemCachedClient"
          lazy-init="false">
        <constructor-arg>
            <value>memCachedPool</value>
        </constructor-arg>
    </bean>
</beans>

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分离客户端和服务端之后被拒绝连接

1

tuscany

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图