Recent questions tagged JAVA

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I'm using Tomcat 6 with eclipse web tools to publish an application. When I deploy the j2ee application I'm getting ... :param-value> </context-param> <context-param> <javaee:...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - ReferenceError: "alert" is not defined

I am trying to call a java script function from java code. Here is my Java code public static void main( ... . Please help.Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to choose DDL Primary Key constraint names with JPA/Hibernate

There exists a proprietary hibernate annotation to specify the Foreign Key constraint names that are used at DDL ... Key constraint names? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to register custom converters in spring boot?

I writing application using spring-boot-starter-jdbc (v1.3.0). The problem that I met: Instance of BeanPropertyRowMapper ... (); } Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Converting String in ISO8601 T-Z format to Date

Possible Solution:Convert Java Date into another Time as Date format I went through it but does not get my answer ... (Date)formatter.parse(s); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Kafka consumer offsets out of range with no configured reset policy for partitions

I'm receiving exception when start Kafka consumer. org.apache.kafka.clients.consumer.OffsetOutOfRangeException: Offsets out of ... with Java 7. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Unable to send an email using SMTP (Getting javax.mail.MessagingException: Could not convert socket to TLS;)

I have written the following code for sending email using javamail API through SMTP as TLS as SSL is not supported ... this? Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Formatting numbers with same amount of padding

I want to format 3 digit floats in Java so they line up vertically such that they look like: 123.45 99 23.2 ... line is shifted over by 1 space? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Separating double into integer and decimal parts

I am trying to separate a double into the integer and decimal parts So for example, the number 24.4 should be ... can this problem be fixed ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using PowerMock and Robolectric - IncompatibleClassChangeError

I'm trying to use PowerMockito to mock some static methods in Android Robolectric tests. I'm using JUnit 4.8.2, ... (helpFrag.isVisible()); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JPA exception: Object: ... is not a known entity type

I'm new to JPA and I'm having problems with the autogeneration of primary key values. I have the following entity: ... ...) What am I missing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Boot: @Value returns always null

I would like to use a value from application.properties file in order to pass it in the method in another ... ) private static String directory; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - findFirstVisibleItemPositions doesn't work for recycleview android

I have this code: mRecycleView.setOnScrollListener(new RecyclerView.OnScrollListener() { @Override public void onScrolled( ... item position? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - System.out character encoding

I'm running my Java program from command-line (Windows 7). To simplify matters, I describe only the relevant ... Windows 7 command-line? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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191 views

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java - Generic wildcards in variable declarations in Scala

In Java I might do this: class MyClass { private List<? extends MyInterface> list; public void setList(List< ... ask a separate question... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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386 views

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java - Kafka "Login module not specified in JAAS config"

I have a problem communicating with Kafka secured with sasl using console scripts. Kafka is secured with sasl, listener ... help me with this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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180 views

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java - Parsing XML feed die with "Element is already used"

I'm trying to parse an XML feed using SimpleXML in Android: http://backend.deviantart.com/rss.xml?type= ... titles for the items. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android FragmentTabHost - Not fully baked yet?

I wanted to see if anyone has had success with customization of tabs using FragmentTabHost that comes with ... support.v4.app.FragmentTabHost> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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215 views

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java - MediaStore.EXTRA_OUTPUT renders data null, other way to save photos?

Google offers this versatile code for taking photos via an intent: @Override public void onCreate(Bundle ... displayIntent); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Elasticsearch Rest Client with Spring Data Elasticsearch

I am in a situation where I am using Spring boot and AWS elasticsearch service. AWS Elasticsearch service ... all the functionality myself. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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140 views

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java - What is the proper way of setting headers in a URLConnection?

My code is like the following: URLConnection cnx = address.openConnection(); cnx.setAllowUserInteraction(false); cnx.setDoOutput ... if any ) ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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377 views

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java - Android Bluetooth status 133 in onCharacteristicwrite

I'm new to Android and now doing a simple app that requires writing some data into a peripheral device. ... p/android/issues/detail?id=58381 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

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java - MalformedURLException although I have already replaced spaces with %20

String url = "http://maps.googleapis.com/maps/api/distancematrix/xml?origins="+origin+"&destinations="+destination+"&mode ... one help me out .. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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516 views

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java - JavaMail reading recent unread mails using IMAP

I have a requirement to retrieve unread mails from Gmail. I am using Java Mail API. By default, this API ... it possible? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Difference between getAndSet and compareAndSet in AtomicBoolean

The thread title should be self-explnatory... I'm a bit confused between the specification of below methos ... 'm missing internal differences. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

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java - Using InheritableThreadLocal with ThreadPoolExecutor -- or -- a ThreadPoolExecutor that doesn't reuse threads

I am trying to use both InheritableThreadLocal and a ThreadPoolExecutor. This breaks down because ThreadPoolExecutor reuses ... for any ideas. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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298 views

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java - How to disable the SSLv3 protocol in Jetty to prevent Poodle Attack

Is there any specific exclusion list available which disables only SSLv3 ciphers are not TLSv1/2. I have jetty 8, ... bits DHE-RSA-AES128-SHA See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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java - Where can I set the JRE/JDK which is used to run Netbeans besides the command line?

First of all, I know about the command line parameter, but I don't want to use it because I want to learn, ... . JAVA_HOME is set to 1.6_11) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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