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ssh另一台机器时�Q�报Password authentication is disabled to avoid man-in-the-middle attacks.

Tue, 23 Sep 2014 11:21:00 GMT

想ssh�?92.168.1.35�Q�报如下错误�Q?br />

[root@Surf-BJ-CAC-233 pusher]# ssh 192.168.1.35
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
7c:c5:c4:7b:78:e3:13:60:4a:4d:ff:8c:46:3b:e6:0d.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:9
Password authentication is disabled to avoid man-in-the-middle attacks.
Keyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.
Permission denied (publickey,password).

解决办法�Q?br />

[root@Surf-BJ-CAC-233 pusher]# mv /root/.ssh/known_hosts /root/.ssh/known_hosts_bak

��一败涂�?/a> 2014-09-23 19:21 发表评论

Sun, 13 Oct 2013 04:41:00 GMT

tomcat默认情况下，catalina.out日志增长都是无限的，从而导致日志文件超大�?/p>

1、下载安装cronolog�Q�步骤如下：

安装�q�程如下�Q?br />
A、下载（最新版本）

    #  wget http://cronolog.org/download/cronolog-1.6.2.tar.gz

B、解压羃

    # tar zxvf cronolog-1.6.2.tar.gz

C、进入cronolog安装文�g所在目�?br />
    # cd cronolog-1.6.2

D、运行安�?br />
    # ./configure
    # make
    # make install

E、查看cronolog安装后所在目录（验证安装是否成功�Q?br />
    # which cronolog

一般情况下昄��为：/usr/local/sbin/cronolog

2、修改tomcat启动文�gcatalina.sh

A、将touch "$CATALINA_OUT"行注释掉�?br />
B、将
org.apache.catalina.startup.Bootstrap "$@" start \ >> "$CATALINA_BASE"/logs/catalina.out 2>&1 & 替换�?
org.apache.catalina.startup.Bootstrap "$@" start 2>&1 \

| cronolog "$CATALINA_BASE"/logs/catalina.out.%Y-%m-%d >> /dev/null &
重启tomcat�Q�则下次��会在catalina.out后面加上�q�月日，从而按日进行日志输出�?/span>

��一败涂�?/a> 2013-10-13 12:41 发表评论

java.lang.IllegalArgumentException: Invalid row number (-32768) outside allowable range (0..1048575)

Sun, 18 Aug 2013 16:19:00 GMT

在用poi导出excel的过�E�中�Q�发现当数据量超�q?5535的时候，会报错，报错信息如下�Q?br />

java.lang.IllegalArgumentException: Invalid row number (-32768) outside allowable range (0..1048575)

�l�检查，发现问题出现在这一句上�Q?br />

HSSFRow row = sheet.createRow((short) iRow);

��数据类型short��L��Q�即可支持更大数据量的导出�?/div>

��一败涂�?/a> 2013-08-19 00:19 发表评论

subclipse�׃�n工程�Ӟ��报Malformed network data

Sat, 05 Jan 2013 23:54:00 GMT

在eclipse3.7中用subclipse�׃�n工程至svn服务器时�Q�控制报错：
×××Malformed network data

�l�查�Q�是因�ؓsubclipse安装不完整导致�?br />解决办法�Q?br />help-->Eclipse Marketplace-->Popular-->扑ֈ�subclipse�Q�点击install�Q�然后重新安装即可�?img src ="http://www.aygfsteel.com/anchor110/aggbug/393848.html" width = "1" height = "1" />

��一败涂�?/a> 2013-01-06 07:54 发表评论

intellij�~�译报错�Q�Internal error: com.intellij.psi.tree.IFileElementType cannot be cast to com.intellij.psi.tree.IStubFileElementType

Tue, 11 Dec 2012 07:49:00 GMT

intellij�~�译�Ӟ��报错�Q�信息如下：

Internal error: com.intellij.psi.tree.IFileElementType cannot be cast to com.intellij.psi.tree.IStubFileElementType

解决办法�Q�File-->Invalidate caches�?br />

��一败涂�?/a> 2012-12-11 15:49 发表评论

Fri, 16 Nov 2012 03:19:00 GMT

在tomcat下部�|�应用程序，�q�行后，发现在地址栏中有个tomcat的小猫咪图标�?br />有时候，我们自己不想昄��q�个图标�Q�想换成自己定义的的图标�Q�那么按如下�Ҏ(gu��)��操作卛_��Q?br />1、将$TOMCAT_HOME/webapps/ROOT/tomcat.svg改名�?br />2、将自定义的图标文�g改名为favicon.ico�Q��ƈ覆盖$TOMCAT_HOME/webapps/ROOT/favicon.ico�?br />
清空��览器缓存，��h��界面卛_��看到自定义效果的图标�?img src ="http://www.aygfsteel.com/anchor110/aggbug/391431.html" width = "1" height = "1" />

��一败涂�?/a> 2012-11-16 11:19 发表评论

Fri, 21 Sep 2012 03:28:00 GMT

场景�Q?br />用webwork上传中文文�g名的文�g�Ӟ��在action中接收到的文件名已经��q��?br />
解决办法�Q?br />修改webwork.properties文�g�Q�将上传文�g的解析器�Q�修�Ҏ(gu��)��pell�Q�如下：

# multipart parser
#弃用jakarta�Q�解决中文上传文件时文�g名�ؕ码问�?br />webwork.multipart.parser=pell

��一败涂�?/a> 2012-09-21 11:28 发表评论

实用扄��站图标的�Ҏ(gu��)��

Wed, 05 Sep 2012 11:28:00 GMT

步骤�Q?br />1、在�|�站��d��名后�Q�添加favicon.ico�Q�如�Q�www.youku.com/favicon.ico�?br />2、浏览器中发��求�?br />3、另存�ؓ�Q�即保存此网站的logo图标�?br />
�׃��默认保存的ico格式的文件。如果需要png格式的文�Ӟ��有两�U�方法：
1、另存�ؓ�Ӟ��直接重命名成.png格式�?br />2、先存成ico�Q�再利用在线转png工具�Q��{换成png格式。网址�Q�http://converticon.com

另外一�U�比较好的方法是�Q?br />在百度中搜网站名�U�ͼ�比如“乐视”�Q�百度默认会把网站的图标昄��出来�Q�而且是PNG格式。直接保存这个即可�?img src ="http://www.aygfsteel.com/anchor110/aggbug/387120.html" width = "1" height = "1" />

��一败涂�?/a> 2012-09-05 19:28 发表评论

Wed, 22 Aug 2012 10:33:00 GMT

�Ҏ(gu��)��一�Q?br />

URL url = new URL(pageUrl);
URLConnection conn = url.openConnection();
parser = new Parser(conn);

NodeList list = parser.parse(new TagNameFilter("a"));

�Ҏ(gu��)��二：

HTMLLinkBean htmlLinkBean = new HTMLLinkBean();
htmlLinkBean.setURL("http://www.sohu.com");
URL[] urls = htmlLinkBean.getLinks();

��一败涂�?/a> 2012-08-22 18:33 发表评论

org.htmlparser.util.EncodingChangeException: character mismatch问题解决

Wed, 22 Aug 2012 10:04:00 GMT

场景�Q?br />��目中利用htmlparser抽取�|�页中的��链接，代码如下�Q?br />

URL url = new URL(pageUrl);
URLConnection conn = url.openConnection();
parser = new Parser(conn);
list = parser.parse(new TagNameFilter("a"));

传参数pageUrl="http://tv.sohu.com/movie/"�q�行�Ӟ��报错�Q?br />

org.htmlparser.util.EncodingChangeException: character mismatch�?br />
解决办法�Q?br />修改htmlparser.jar中的org.htmlparser.tags.MetaTag.java�Q�修改如下：

public void doSemanticAction() throws ParserException {
        String httpEquiv;
        String charset;

        httpEquiv = getHttpEquiv();
        if ("Content-Type".equalsIgnoreCase(httpEquiv)) {
            if (Page.DEFAULT_CHARSET == getPage().getEncoding()) {
                charset = getPage().getCharset(getAttribute("CONTENT"));
                getPage().setEncoding(charset);
            }
        }
    }

重新�q�行�Q�问题解冟�?/div>

��一败涂�?/a> 2012-08-22 18:04 发表评论

Tue, 21 Feb 2012 08:41:00 GMT

用svg格式输出没有问题�?br /> �|�上解释�Q�据说有两个问题要解冻I��

dot文�g需要�ؓutf8�~�码
需要指定fontname

对于我来�Ԍ��W�一点不成问题，我缺省编码就是utf8
那么关键��是�W�二个问题了
centos5.x�?/p>

yum install fonts-chinese

centos6.x�?/p>

yum install cjkuni-ukai-fonts

然后�?dot文�g中指出：

node [ fontname = "AR PL ZenKai Uni" ];

(centos6.x�?/p>

node [ fontname = "AR PL UKai CN" ];

其实�l�我���试�Q�只要包安装完毕�Q�fontname不用�Ҏ(gu��)��能中文显�C�正常�?br />

��一败涂�?/a> 2012-02-21 16:41 发表评论

Thu, 05 May 2011 03:45:00 GMT

1�?span lang="EN-US">JTidy�Q�是一个用java写的HTML语法��查器�Q�用JTidy可以��查�ƈ修正语法不正��的html�Q�同时还可以�?/span>html�?/span>DOM�q�行分析�?/span>

��一败涂�?/a> 2011-05-05 11:45 发表评论

Wed, 19 Jan 2011 05:55:00 GMT

代码�C�Z��Q?br />

postMethod = new PostMethod("http://api.t.sina.com.cn/statuses/upload.xml");
Part[] parts = {new StringPart("source", "695132533"), new StringPart("status", URLEncoder.encode(status, "utf-8")), new FilePart("pic", new File("1.jpg"))};
postMethod.setRequestEntity(new MultipartRequestEntity(parts, postMethod.getParams()));

上例中，MultipartRequestEntity��装了普通字�D�和文�g字段�?br />
另注�Q�由于自��q��应用中，文�g块不是在本地的，而是来源于网�l�，所以FilePart的创建，改�ؓ以下代码�Q?br />

URL url = new URL(picUrl);
URLConnection connection = url.openConnection();
InputStream is = connection.getInputStream();
/** �q�么写不�?br /> int length = is.available();
byte[] buffer = new byte[length];
is.read(buffer);
*/
//应该�q�样�?br /> ByteArrayOutputStream baos = new ByteArrayOutputStream();
int len = 0;
byte[] b = new byte[1024];
while ((len = is.read(b, 0, b.length)) != -1) {
baos.write(b, 0, len);
}
byte[] buffer = baos.toByteArray();
new FilePart("pic", new ByteArrayPartSource("pic", buffer))

��一败涂�?/a> 2011-01-19 13:55 发表评论

Wed, 19 Jan 2011 05:45:00 GMT

用PostMethod 模拟http post��h��Q�需要解决传递字�W�串�Q�文件等需求�?br /> httpclient�Ҏ(gu��)��Q�提供了对应实现�Q�实现方法关键在�Q�RequestEntity�?br /> �C�Z��Q?br />

RequestEntity requestEntity = newStringRequestEntity(text);
post.setRequestEntity(requestEntity);

�C�Z��中，是传递一个普通字�W�型参数�?br /> �q�个�Ҏ(gu��)��代替了以前直接设�|�Request body�?

RequestEntity是一个接口，有很多实玎ͼ�
ByteArrayRequestEntity, FileRequestEntity, InputStreamRequestEntity, MultipartRequestEntity, StringRequestEntity
基本上从名字上就可以直接看出功能�Q�可以从字符�Ԍ��，文�g�Q�字节数�l�中产生request body�?

�q�有更复杂的Multipart�Q�就是夹杂文件和普通字�D늚�提交�?
�C�Z��如下�Q?br />

Part[] parts = {new StringPart("source", "695132533"), new StringPart("status", URLEncoder.encode(status, "utf-8")), filePart};
postMethod.setRequestEntity(new MultipartRequestEntity(parts, postMethod.getParams()));

��一败涂�?/a> 2011-01-19 13:45 发表评论

firefox插�gposter的��用，发�v自定义http��h��

Tue, 28 Dec 2010 08:13:00 GMT

在开发WEB�E�序的时候，�l�常需要模拟http��h��Q�接收服务器响应�Q�从而检验程序的正确性�?br /> Firefox插�gposter�Q�可以模拟各�U�http��h��Q��ƈ详细讄��h��参数�Q�比如http header�Q�parameter�{��?br />
poster�ȝ��面如下：

界面��z�明了，很容易入手�?br /> 下面发�v一个普通的http��h��Q�处理过�E�如下：

响应界面如下�Q?br />

希望poster工具�Q�能带给你快乐的�~�程体验�Q?br />

��一败涂�?/a> 2010-12-28 16:13 发表评论

欧美午夜宅男影院,伊人久久精品一区二区三区,av在线电影网

ssh另一台机器时�Q�报Password authentication is disabled to avoid man-in-the-middle attacks.

java.lang.IllegalArgumentException: Invalid row number (-32768) outside allowable range (0..1048575)

subclipse�׃�n工程�Ӟ��报Malformed network data

intellij�~�译报错�Q�Internal error: com.intellij.psi.tree.IFileElementType cannot be cast to com.intellij.psi.tree.IStubFileElementType

实用扄���站图标的�Ҏ(gu��)��

org.htmlparser.util.EncodingChangeException: character mismatch问题解决

firefox插�gposter的��用，发�v自定义http��h��

实用扄��站图标的�Ҏ(gu��)��