java tomcat session path

Case deploy to tomcat/webapps/projectA

but access to page by projectA.domain.com/

mean i have tomcat/webapps/projectA/gg.jsp

then deploy to server access by projectA.domain.com/gg.jsp

and facing session path issue.


Solutions refer to:
https://stackoverflow.com/questions/12755499/how-to-change-jsessionid-cookie-path-to-server-root-in-spring-app-on-jetty

<session-config>
    <session-timeout>15</session-timeout>
    <cookie-config>
        <name>JSESSIONID</name>
        <path>/</path>
        <http-only>false</http-only>
        <secure>false</secure>
    </cookie-config>
</session-config>

Reference URL:
https://www.mkyong.com/servlet/how-to-configure-the-session-timeout-in-servlet/

1) Timeout in the deployment descriptor (web.xml)
– Specified the timeout value in “minute” , enclose with “session-config” element.
<web-app ...> <session-config> <session-timeout>20</session-timeout> </session-config></web-app>CopyThe above setting is apply for the entire web application, and session will be kill by container if client doesn’t make any request after 20 minutes.

Reference URL:
https://stackoverflow.com/questions/40753753/cookies-with-path-path-and-jsessionid

Stuck for 2.5 hrs...

codecommit
git

facing unable to push
keep commit everything
then pull
and face conflict
fix 1 by 1
then add fixed files into index, then commit and push again.

spring 注解 @ResponseBody 返回JSON 能不能设置他不返回为 null 的值

Searched by:
@responsebody without null value
https://www.google.com.sg/search?q=%40responsebody+without+null+value&oq=%40responsebody+without+null+value&aqs=chrome..69i64.7166j0j1&sourceid=chrome&ie=UTF-8


Reference URL:
https://segmentfault.com/q/1010000002522525


设置jackson忽略null

<mvc:annotation-driven>
    <mvc:message-converters register-defaults="true">
        <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
            <property name="objectMapper">
                <bean class="com.fasterxml.jackson.databind.ObjectMapper">
                    <property name="serializationInclusion">
                        <value type="com.fasterxml.jackson.annotation.JsonInclude.Include">NON_NULL</value>
                    </property>
                </bean>
            </property>
        </bean>
    </mvc:message-converters>
</mvc:annotation-driven>

spring form checkbox auto add hidden input css not working

https://stackoverflow.com/questions/43749850/how-to-place-a-tag-element-between-the-input-tag-and-the-hidden-field


https://jsfiddle.net/DiogoBernardelli/rLutkcx0/

.switch input[type="checkbox"]:checked + input[type="hidden"] + label:after{
    left: 23px;
}
.switch input[type="checkbox"]:checked + input[type="hidden"] + label{
    background-color: #fff;
    color: #f00;
}

log4j2 json jsn test maven pom

using json jsn for log4j2 configuration must add jackson-databind in maven pom.xml

log4j2 slf4j maven

See this?
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.





Add this

<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.11.1</version>
</dependency>


If not found, then add repo

<repositories>
  <repository>
    <id>apache.snapshots</id>
    <name>Apache Snapshot Repository</name>
    <url>https://repository.apache.org/snapshots</url>
    <releases>
      <enabled>false</enabled>
    </releases>
  </repository>
</repositories>

java.lang.IllegalArgumentException: Attribute 'value' is required when binding to non-boolean values

java.lang.IllegalArgumentException: Attribute 'value' is required when binding to non-boolean values







Resource URL:

https://blog.csdn.net/goldenfish1919/article/details/7039104

Error Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class java.lang.Object

Understanding the Spring Data JPA @NoRepositoryBean interface

Source URL: https://stackoverflow.com/questions/11576831/understanding-the-spring-data-jpa-norepositorybean-interface

Annotation

@NoRepositoryBean

Solved exception below:

Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class java.lang.Object

Spring Data JPA Junit test

Source URL: https://www.luckyryan.com/2013/06/25/integration-testing-spring-data-jpa/#comment-11973


All below need to be in place

xmlns:jpa="http://www.springframework.org/schema/data/jpa"

http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd

<jpa:repositories base-package="com.techstudio.staypleased.db" />

<!-- id cannot use other value -->
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">

<property name="entityManagerFactory" ref="entityManagerFactory" />






something is not correct in the post:
https://stackoverflow.com/questions/23435937/how-to-test-spring-data-repositories

To make it short - there's no way to unit test Spring Data JPA repositories reasonably for a simple reason...

Maven pom.xml production deployment .

<!-- Maven compiler plugin -->
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>${version.jdk}</source>
<target>${version.jdk}</target>
</configuration>
</plugin>


I think this [Maven compiler plugin] above will process files from /src/main/** to /target/




<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<includes>
<include>**/*</include>
</includes>
<excludes>
<exclude>config/**</exclude>
<exclude>**/*.xml</exclude>
<exclude>**/*.properties</exclude>
</excludes>
</configuration>
</plugin>


This [Maven jar plugin] above will process files from /src/main/** to /target/

Reference URLs:

1. Move resource files to target and exclude from jar

   https://stackoverflow.com/questions/39705917/move-resource-files-to-target-and-exclude-from-jar

2. How to Exclude properties file from jar file?

   https://stackoverflow.com/questions/2728993/how-to-exclude-properties-file-from-jar-file

Jackson ObjectMapper writeValueAsString StackOverflowError

com.fasterxml.jackson.databind.JsonMappingException: Infinite recursion (StackOverflowError) (through reference chain: com.vividsolutions.jts.geom.Point["envelope"]->           repeat 997 times           ->com.vividsolutions.jts.geom.Point["envelope"])



Working solution URL: https://github.com/bedatadriven/jackson-datatype-jts/issues/8

ObjectMapper om = new ObjectMapper();
om.registerModule( new com.bedatadriven.jackson.datatype.jts.JtsModule.JtsModule() );

Caused by: com.mysql.jdbc.MysqlDataTruncation: Data truncation: Cannot get geometry object from data you send to the GEOMETRY field

Environment:

JDK 1.7.0_80

Tomcat 8.0.36

MySql 5.5.50

Spring 4.3.16.RELEASE

Hibernate 4.3.11.Final

Hibernate Spatial 4.3

Caused by: com.mysql.jdbc.MysqlDataTruncation: Data truncation: Cannot get geometry object from data you send to the GEOMETRY field

Getting fail to store Polygon Shape Object in Geometry Datatype with hibernate spatial API

URL: https://gis.stackexchange.com/questions/88564/getting-fail-to-store-polygon-shape-object-in-geometry-datatype-with-hibernate-s?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa

Check column after insert:

SELECT AsText( geometry_column ) FROM table;

Unable to launch VirtualBox after upgraded to Windows 10

After upgraded to Windows 10, having issue to launch VirtualBox in all ways, neither in normal, headless, detachable.



Failed to open a session for the virtual machine MicrosoftWindows7_HomePremium_X64.

The virtual machine 'MicrosoftWindows7_HomePremium_X64' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\Users\xxxx\VirtualBox VMs\YourVM\Logs\VBoxHardening.log'.

Result Code: E_FAIL (0x80004005)
Component: MachineWrap
Interface: IMachine {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}




Fixed after upgrade to VirtualBox-5.2.4-119785-Win.exe


But hit another issue:

Failed to open a session for the virtual machine MicrosoftWindows7_HomePremium_X64.
Unsupported version 6 of data unit 'hda' (instance #0, pass 0xffffffff) (VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION).

Result Code:	E_FAIL (0x80004005)
Component:	ConsoleWrap
Interface:	IConsole {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

Found solutions at:
https://forums.virtualbox.org/viewtopic.php?f=6&t=85448

Re: VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION on all my VMs after Win 10 v1709 upgrade

by mpack » 12. Nov 2017, 10:49

Discard any saved state associated with the VM.

Windows10UpgraderApp.exe - System Error (api-ms-win-core-libraryloader-l1-1-1.dll)

The program can't start because
api-ms-win-core-libraryloader-l1-1-1.dll is missing from your computer. Try reinstalling the program to fix this problem.

Is working.

Renamed C:\Windows10Upgrade\wimgapi.dll      ->        C:\Windows10Upgrade\wimgapi.dll.ori
Copy C:\Windows\System32\wimgapi.dll      ->        C:\Windows10Upgrade\wimgapi.dll

Click on Try Again Button.

What is wtmp.

When I was tracing a linux reboot time, found a line of log as below:

wtmp begins Mon Nov 27 09:12:36 2017

Commands I used:

last -f /var/log/wtmp

last -f /var/log/wtmp.1 

Reference URL#1: https://serverfault.com/questions/80939/how-to-find-who-was-logged-in-before-beginning-of-wtmp

Presumably your wtmp file has been rotated, so try last -f /var/log/wtmp.1 or last -f /var/log/wtmp.0 to read the previous files. If those don't work, ls /var/log/wtmp* and see if they're called something else. If they're compressed (.gz extension), decompress 'em.
If they're not there, find whoever setup the bollocks rotation scheme and give them a solid foot-punch to the pantaloons. There's no reason not to keep at least a few weeks' of wtmp logs.

Reference URL#2: https://www.linuxnix.com/read-view-utmp-wtmp-btmp-file-linuxunix/

VIEW UTMP, WTMP AND BTMP FILES

In Linux/Unix operating systems everything is logged some where. Most of the system logs are logged in to /var/log folder. This folder contains logs related to different services and applications. In this folder we have some files such as utmp, wtmp and btmp. These files contains all the details about login’s and logout’s which are from local as well as from remote systems and system status such as uptime etc.

Some info about utmp, wtmp and btmp 

• utmp will give you complete picture of users logins at which terminals, logouts, system events and current status of the system, system boot time (used by uptime) etc.
• wtmp gives historical data of utmp.
• btmp records only failed login attempts.

Oracle VM VirtualBox - E_FAIL (0x80004005)

Oracle VM VirtualBox

Issue#01
The VM session was closed before any attempt to power it on.


Result Code:
E_FAIL (0x80004005)
Component:
SessionMachine
Interface:
ISession {7844aa05-b02e-4cdd-a04f-ade4a762e6b7}

Only succeeded at 3rd tries:

1. Tried#1 - made a copy of the "VM_NAME.xml-prev" file and renamed the copy to "VM_NAME.xml" at URL https://forums.virtualbox.org/viewtopic.php?f=6&t=33196
2. Tried#2 - changed the 'virtual disc name - .vbox-prev' to 'virtual disc name .vbox' at URL https://forums.virtualbox.org/viewtopic.php?f=6&t=33196
3. Tried#3 - Start as: Detachable Start, printscreen at: https://photos.app.goo.gl/MaOV5V1UVxD27vEN2

Issue#02
Update On: 2019-Jan-30_pm021031



Unable to insert the virtual optical disk C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso into the machine CentOS_7.6.1810.

Could not mount the media/drive 'C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso' (VERR_PDM_MEDIA_LOCKED).

Result Code:	E_FAIL (0x80004005)
Component:	ConsoleWrap
Interface:	IConsole {872da645-4a9b-1727-bee2-5585105b9eed}
Callee:	IMachine {5047460a-265d-4538-b23e-ddba5fb84976}

Reference URL: https://askubuntu.com/questions/573596/unable-to-install-guest-additions-cd-image-on-virtual-box

I ran into this problem recently (Sept 2017) trying to install Guest Additions into Oracle VM VirtualBox Manager version 5.1.28, in a newly-installed VM for Ubuntu version 16.04.3. The host is Win-10. The problem was that the Guest Additions CD image was already mounted. To fix it:

• In the VM Manager under Settings->Storage, under Controller: Right-click on VBoxGuestAdditions, and select “Remove Attachment." There will be a confirmation box: click “remove.”
• Click the “+” icon next to “Controller," to add new optical drive. A dialog box will open. Choose “Leave Empty-> Okay”
• Open the VM and select Devices->Insert Guest Additions. It should install now. Power off the VM (not the VM Manager) and restart the VM. GuestAdditions should now be working.

shareimprove this answer

answered Sep 28 '17 at 20:21

Dave Rose

19112

Access restriction: The type 'JPEGCodec' is not API (restriction on required library 'C:\Program Files\Java\jdk1.6.0_45\jre\lib\rt.jar')

Found solution at: https://stackoverflow.com/questions/9266632/access-restriction-is-not-accessible-due-to-restriction-on-required-library

I ran into something similar, I think that the cause of the warning is Eclipse trying to discourage you from using the internal com.sun packages that are installed as part of your workspace JRE but which are not part of the public Java API.

As Justin says in his answer, changing your compiler settings can hide the warning. A more fine-grained approach is to modify your build path to explicitly allow access to the package in question:

1. Open the Libraries tab of the Java Build Path project property window.
2. Expand the JRE System Library entry.
3. Select "Access rules" and hit the Edit button.
4. Click the Add button in the resulting dialog.
5. For the new access rule, set the resolution to Accessible and the pattern to "com/sun/xml/internal/**".

After adding this access rule, your project should build without these warning.

JAR libraries was not in maven repository.

Summary:

1. Added Web App Libraries are to resolve eClipse IDE classes/jars unresolve issue.
2. Assign Web App Libraries to [Native library location] are to resolve run as maven install, cannot find symbol

Details please refer to: https://docs.google.com/document/d/e/2PACX-1vSoqwBcBATEMdIYTzZN5iGRipXyZy7X5TF-4aQ5aUqqXDc05gdPXCUbCRSkJBD3R27OOf5_eNpGaMzj/pub

regEx - Regular Expression to exclude set of Keywords

RegEx format:
^(?:(?!.SearchText1|SearchText2|SearchText 3|Search Text\|4|SearchText5).)*$\r?\n?


^(?:(?!.No such file or directory|Permission denied|recursive directory loop|Operation not supported on socket).)*$\r?\n?

^(?:(?!.1.2|1.3|1.1.1|appVerision\|null|1.0).)*$\r?\n?

The following error occurred while importing IMG_XXXX.JPG: A device attached to the system is not functioning.

My case was connected to the fast charging port of the laptop.

Message won't pop up anymore after change to normal USB of the laptop.

The VM session was closed before any attempt to power it on.

Found reference from: http://www.sysprobs.com/vm-session-closed-attempt-power-virtualbox-32-error

But I was unable to follow through as unable to remove both drive advised in the post.

Then I was still able boot my VM back by:

1. Right click VM.
2. Choose "Detachable Start"
3. With an error pop up.(forgot what was that)
4. Then Right click VM.
5. And do Normal Start.

How to force to clear standby memory so can be reuse immediately.

By referring to:

https://blogs.technet.microsoft.com/askperf/2010/08/13/introduction-to-the-new-sysinternals-tool-rammap/

Download

RAMMap v1.5

from

https://technet.microsoft.com/en-us/sysinternals/ff700229.aspx


unzip  RAMMap.zip
run RAMMap.exe

from menu, select

Empty

>   Empty Standby List

Oracle VM VirtualBox Version 5.1.22

Oracle VM VirtualBox Version 5.1.22

Unable to install antivirus of:

1. Avast offline
2. Avast online.
3. AVG online

tomcat softlink

#remember what u did in:
/opt/Programs/apache-tomcat-8.0.36/conf/context.xml

<Resources allowLinking="true"></Resources>


#1
Create a real/physical file at dashboard with path:
 /opt/Programs/apache-tomcat-8.0.36/webapps/dashboard/gg.jsp

#2
Then go to cp or other module:
cd /opt/Programs/apache-tomcat-8.0.36/webapps/cp

#3

Create softlink so u can access same file & source from dashboard, when u access cp.(which simulate leftnav.jsp) by using script:

ln -s /opt/Programs/apache-tomcat-8.0.36/webapps/dashboard/gg.jsp gg.jsp

#script definition:

ln -s sourceFullPath shortcut

#more refer to:

https://www.cyberciti.biz/faq/unix-creating-symbolic-link-ln-command/

#or:

google linux softlink

java.lang.NoSuchMethodError

Reference URL: http://timen-zbt.iteye.com/blog/1871152



HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoSuchMethodError: com.company.model.project.ObjectPerson.isMale()Z

注意：这里将superUser属性的类型改为Boolean（boolean的封装类型）

然后将编译后的Person.class拷贝到刚刚发布的项目中替换掉刚才的Person.class文件（注意你没有更改TestNoSuchMethodError类，所以大多你不会想更新这个类）

SVN tab is missing from eclipse project properties for existing SVN projects after svn plugin/connector crashed.

1st, removed all related SVN plugins and connectors.

Then reinstall again SVN plugins & connectors.

But existing SVN projects won't appear to have SVN enabled.

http://stackoverflow.com/questions/166220/restore-eclipse-subversion-project-connection

Edit: is not applicable to Neon.2.


Trying for mars and successful:
https://docs.google.com/document/d/12Fh-NqSj4-shRVtlVwvjEOqiqMwlsvvfOGh1WpC_U2s/edit?usp=sharing

1st meet with Jenkins...

https://zh.wikipedia.org/wiki/Jenkins_(%E8%BD%AF%E4%BB%B6)







To be continue...

New Line character(s)

References URL:

• https://en.wikipedia.org/wiki/Newline

Info from Wikipedia

LF:    Multics, Unix and Unix-like systems (Linux, OS X, FreeBSD, AIX, Xenix, etc.), BeOS, Amiga, RISC OS, and others^[1]

CR:    Commodore 8-bit machines, Acorn BBC, ZX Spectrum, TRS-80, Apple II family, Oberon, Mac OS up to version 9, MIT Lisp Machine and OS-9

RS:    QNX pre-POSIX implementation

0x9B:  Atari 8-bit machines using ATASCII variant of ASCII (155 in decimal)

CR+LF: Microsoft Windows, DOS (MS-DOS, PC DOS, etc.), DEC TOPS-10, RT-11, CP/M, MP/M, Atari TOS, OS/2, Symbian OS, Palm OS, Amstrad CPC, and most other early non-Unix and non-IBM OSes

LF+CR: Acorn BBC and RISC OS spooled text output.

Not sure for Android, using Titanium...
Facing issue to handle CSV files with contents, which lines end with CR+LF("\r\n")

To be continue...