1. Decompress a Gzip archive in Java stackoverflow.comI'm trying to decompress about 8000 files in gzip format in Java. My first try was to use GZIPInputStream but the performance was awful. Anyone know any alternative to decompress gzip archives? ... |
2. GZIP compression did not work good for a data of 64K stackoverflow.comHi I have created compressin and decompression technique using gZipinputstream in both c#.NET and java If I compress upto 15000 bytes in c#.NET then i can decompress it in java but if i ... |
3. What are the different zlib compression methods and how do I force the default in Java's Deflater? stackoverflow.comI am using DeflaterOutputStream to compress data as a part of a proprietary archive file format. I'm then using jcraft zlib code to decompress that data on the other end. The ... |
4. Is there a GZIP J2ME library? stackoverflow.comIs there a gzip compression library that will work on J2ME? |
5. Multi-part gzip file random access (in Java) stackoverflow.comThis may fall in the realm of "not really feasible" or "not really worth the effort" but here goes. I'm trying to randomly access records stored inside a multi-part gzip file. Specifically, ... |
6. Are there benchmarks of Java LZO vs. Deflate vs. Gzip available? stackoverflow.comThe (very outdated) page for LZO contains a link to a Java implementation. There is also the vague promise of "New ... Java ... interfaces ... sometime in ... |
7. GZIPInputStream implementation for J2ME stackoverflow.comAre there any GZIPInputStream implementation for J2ME available. I would prefer an Apache Style License |
8. How to process compressed data in Java stackoverflow.comI have some data which takes up more than 50MB in an uncompressed file, but compresses down to less than half a MB using |
9. How do I get Java to use my multi-core processor? stackoverflow.comI'm using a GZIPInputStream in my program, and I know that the performance would be helped if I could get Java running my program in parallel. In general, is there a command-line ... |
10. Compression in J2ME stackoverflow.comAre there any OSS compression libraries (gzip) available for J2ME? |
11. Zip and Unzip the Folders and Files Using Java stackoverflow.comIf My Application wants to zip the Resultant files(group of Files) using java in a dynamic way, what are the available options in Java? When i Browsed I have got java.util.zip package ... |
12. Java Deflater strategies - DEFAULT_STRATEGY, FILTERED and HUFFMAN_ONLY stackoverflow.comI'm trying to find a balance between performance and degree of compression when gzipping a Java webapp response. In looking at the Deflater class, I can set a level and a strategy. ... |
13. Updating gzip library in jre stackoverflow.comIs there a way to update gzip library that JRE uses? There is a bug in gzip library that is used by latest JRE, and it has been fixed in later version ... |
14. GZIP Java vs .NET stackoverflow.comUsing the following Java code to compress/decompress bytes[] to/from GZIP. First text bytes to gzip bytes: |
15. String base64 decoded un-gziped from little-endian 4-byte int to java int stackoverflow.comI'm trying to implement TMX files in Android and I was hoping someone could help. Based on the TMX guide, in order to get the GID's I have to ... |
16. Decompress GZip string in Java stackoverflow.comI can find plenty of functions that let you decompress a GZip file, but how do I decompress a GZip string? I'm trying to parse a HTTP response where the response body ... |
17. GZIPInputStream to String stackoverflow.comFirst of all, I'm sorry if my terminology is a bit amateur, try to bear with me ;) I am attempting to convert the gzipped body of a HTTP response to plaintext. ... |
18. Java GZip an object and serialize it using MappedByteBuffer stackoverflow.comI'm serializing a large 3d array to disk.The original data is around 50MB and GZiped output is in Kb's size.But the operation takes around 5 sec's.I would like to optimize it ... |
19. Working with Zip and GZip files in Java stackoverflow.comIt's been a while since I've done Java I/O, and I'm not aware of the latest "right" ways to work with Zip and GZip files. I don't necessarily need a full ... |
20. Writing game-file-storage with GZip support? stackoverflow.com |
21. How do i get a filename of a file inside a gzip in java? stackoverflow.com |
22. Zip file all 24 hours stackoverflow.comI've got a problem with this method. It will be called each 24 hours (at 3 am) and should zip a file. The first time, it works correctly. at the second ... |
23. GZIP does not accept fileStream stackoverflow.com |
24. Creating gzip file using jzlib stackoverflow.comI am trying to create a gzip file using jzlib which is an open source. The JAVA GZIPOutputStream is a bit problemtic, the CPU got higher and never released. The problem with the ... |
25. Is this a bug in the Java GZipInputStream class? stackoverflow.comI noticed that some of my gzip decoding code seemed to be failing to detect corrupted data. I think that I have traced the problem to the Java GZipInputStream class. ... |
26. Fastest compression for serialzable files in Java stackoverflow.comI have a bunch of files (around 4000), each weighting 1-5K more or less, all created using the serialization mechanism of Java. I'd like to compress them and send them over a network ... |
27. How to I find out the size of a GZIP section embedded in firmware? stackoverflow.comI am currently analyzing firmware images which contain many different sections, one of which is a GZIP section. I am able to know the location of the start of the GZIP ... |
28. java: save string as gzip file stackoverflow.comI'm java beginner, I need something like this: |
29. java: decomprss files into string too slow stackoverflow.comHere is how I compressed the string into a file: |
30. java.io.IOException: Not in GZIP format with class.getResourceAsStream() stackoverflow.comI am trying to load some GZIP-ed data from a resource in my .jar, but I get a |
31. Compressing and decompressing large size data in java? stackoverflow.comI need to compress/decompress different types of files that are contained in a Folder the size of that folder might be more than 10-11 GB. I used following code but this is ... |
32. SBT java.io.IOException: Not in GZIP format stackoverflow.comA Windows 7 Pro machine was shut down improperly. When the machine came back up, running 'sbt test' resulted in this error: |
33. Gets the uncompressed size of this GZIPInputStream? stackoverflow.comI have a |
34. Decompression of .net created gzip String in Java stackoverflow.comI'm calling a web service that provides an XML response with multiple elements.One of the elements has a compressed response. Its a gzip archive. This gzip archiving is done using .Net. ... |
35. java gzip can't keep original file's extension name stackoverflow.comI'm using GZIPOutputStream to gzip one xml file to gz file, but after zipping I find the extension name of the xml file (.xml) is missing in the gz file hierarchy. ... |
36. Java - Parallelizing Gzip stackoverflow.comI was assigned to parallelize GZip in Java 7, and I am not sure which is possible. The assignment is:
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37. GZipping from standard input to standard output in Java stackoverflow.comPreface: I'm a total Java noob...I just wrote Hello World yesterday. Have mercy on my noob self. I'm not sure how to read from standard input or output to ... |
38. Java - Using Deflater to write to a GZIP file stackoverflow.comI am having trouble using Deflater to write a GZIP file. I created a default header and used CRC32 to keep track of the checksum. The file I am zipping is ... |
39. How to output the results of deflater in GZIP format? stackoverflow.comI'm using Java. I want to use the Deflater class to deflate some input, then I want to output it in GZIP format so it could be unzipped with GZIP. ... |
40. gzip Compress XML-RPC Datagrams, How coderanch.com |
41. java.io.IOException: Not in GZIP format coderanch.comHi All I have a file which is in compressed form without any extension.(say A) My requirement is to rename it to A.gz and then extract it to a file and save it to B ,the data in which can be viewed using a WordPad. What I am doing is as follows:- 1)renaming it to A.gz 2)trying to extract this gz ... |
42. Corrupt GZIP trailer coderanch.comHello this seems to work fine for smaller files, ie 10 million or so, but when i try to create a 40+ million file i get that Corrup GZIP trailer! I've tried many combinations of .close, .finish, .flush ect, but for some reason, i quess it's not writing the last buffer of data! Thanks very much for an insights! [code] try ... |
43. using gzip to compress results coderanch.comhi all , i'm new to input/output streams and i'm very stuck I'm using jdom to return a db recordset and format it as xml, like this ....... RecordsetToXML rsXML = new RecordsetToXML(rs, "root", "record"); // create the XML from recordset Document jDOMDoc = rsXML.build(); XMLOutputter outputter = new XMLOutputter(); outputter.output(jDOMDoc, writer); result = writer.toString(); ........ where result is the recordset ... |
44. How to I write objects into a gzip file? coderanch.com |
45. best way to compress in GZIP serialized objects in MEMORY coderanch.comAmer is right, actually. My experience with Jess's binary dump files is that GZIP can do about a factor of 5 on complex object graphs. But in any case, serializing to a compressed byte array just looks like ObjectOutputStream oos = new ObjectOutputStream(new GZIPOutputStream(new ByteArrayOutputStream(), 10000))); oos.writeObject(myObject); oos.close(); [ May 06, 2008: Message edited by: Ernest Friedman-Hill ] |
46. Access the entry such as entry filename in gzip file coderanch.comGZIP compression is very, very different from ZIP compression. Unlike ZIP, GZIP can only store one single file. The name of the file is usually the same as the GZIP file minus the .gz This is also why TAR is so popular in combination with GZIP - to pack multiple files (and folders) in one file that can then be GZIPPED. ... |
47. Corrupt GZIP trailer coderanch.comI'm trying to convert a log file to a gzip file, and another application will unzip the file to a log file. I have attached my class that does so below. This is the error I get : ------------------------------ 1132 [Thread-0] INFO util.GZipUtil - in unzip func 1132 [Thread-0] INFO util.GZipUtil - input file name = 1098035357042.gzip 1132 [Thread-0] INFO util.GZipUtil ... |
48. Order of close() statements GZIP coderanch.comHello, When i have the files nested this way, is there an order that the close statements should be in? I keep getting a Corrupt GZIP trailer for some reason! Thanks much! GZIPInputStream in = null; GZIPOutputStream gz = null; PrintWriter outf = null; byte[] buf=new byte[4096]; try { gz = new GZIPOutputStream(new FileOutputStream(xml_file)); outf = new PrintWriter (gz); ...... } ... |
49. "Corrupt GZIP Trailer"? coderanch.comI got "Corrupt GZIP trailer" exception message in my program. I'm not sure what this is. Could somebody please advice? The code is actually fine when I run it in my local machine (windows). It retrieves the data just fine. But when I run it in the server (linux), it gives me this exception. Thanks. ----------------------------------------------------------------------------------------------------- GZIPInputStream gzip_in_stream = null; BufferedOutputStream ... |
50. Recovery from corrupt GZIP file coderanch.com |
51. please help me to sove the GZIP exception coderanch.comHi all, I want to login to the site. For that I am using httpunit. In that the code is as given below. The problem of this code is that it is giving the GZIP exception and also this exception is caused for this particular site only. Code is as below : import com.meterware.httpunit.*; import java.io.File; import java.io.FileNotFoundException; import java.io.PrintWriter; /** ... |
52. java.io.IOException: Corrupt GZIP trailer coderanch.comDear Ranchers, My code tries to unzip a folder read the file in it and display the contents of the file. But while doing it I get this error. I did google for this error and saw a post in this forums but nothing is directing me towards a solution. Here is the code snippet and the error String FilePath="path to ... |
53. Help needed for "java.io.IOException: Not in GZIP format" java-forums.orgHi Eranga, Thanks for your response on this. The file that I am using is a proper tar.gz file which has been downloaded from internet. The file is working fine. By using the WinRAR or any other extracting tool, the file gets extracted correctly and even the contents can be seen properly. There is something wrong with the "readHeader" of GZIPInputStream ... |
54. Reading GZip File returns less lines than Uncompressed File? forums.oracle.comwc -l is just going to count the number of newline characters in the given file. A text file compressed by gzip is a binary file, so the idea of newlines in it is basically meaningless. It's perfectly possible that the binary compressed file happens to have more bytes that when interpreted as ASCII are identified as newlines than the uncompressed ... |
55. Not in GZIP format exception forums.oracle.com |
56. GZIP file download help forums.oracle.comI actually did that part first without the 0, 1024 in there, and got the same results. I don't fully understand the 1024 buffer size in the first place, but I assume that's how large of a chunk of the file it's grabbing before writing it to the disk? Anyway, would that have anything to do with my corruption problem? |
57. writing gzip file issue forums.oracle.com |
58. How to compress a datastream using gzip? forums.oracle.com |
59. How do i gzip an entire folder forums.oracle.comHi All, I have a requirement where i need to create a gz file containing a complete folder hierarchy. That is, i have a folder which contains some other folders and some files. I want to create a gz file for the root folder along with its contents. can anyone suggest me a method how i can do this? Thanks and ... |
60. string compression with gzip: no exception but output does not equal input forums.oracle.com |
61. GZIP part of a file forums.oracle.comI have a text file that I am currently using to export data from a database. This data has to be in a particular order and must be readable. I have this part working just fine, but now I have a requirement to place more data at the end of this text file from the same database. This new data will ... |
62. GZip Version Problems forums.oracle.com |
63. Getting "IOException Not in Gzip format " forums.oracle.com |
64. GZIP forums.oracle.comtnx, i have this program that sends large files on the net and i have to chunk and compress it into pieces. after all the data have been sent and compiled to form a single file on the receiver's end, i have to decompress it as a whole file. when i tried it, i found out that the file is not ... |
65. Not in GZIP format problem forums.oracle.comhttp://en.wikipedia.org/wiki/Gzip Other uses The Content-Encoding header in HTTP/1.1 allows clients to optionally receive compressed HTTP responses and (less commonly) to send compressed requests. The standard itself specifies two compression methods: gzip (RFC 1952; the content wrapped in a gzip stream) and deflate (RFC 1950; the content wrapped in a zlib-formatted stream). Compressed responses are supported by many HTTP client libraries, almost ... |
66. File not in GZIP format forums.oracle.comHello, i have already searched the forum but no one seems to give clear answers on why GZIPInputStream gzip = new GZIPInputStream(new (*any input stream)); throws an IOException: File not in GZIP format... can somebody please help me with a code sample. My program sends compressed files on the network and the receiving end decompresses it. But it doesnot work because ... |
67. Java and corrupt gzip files forums.oracle.com |
68. Creating multi-volume archives (ZIP, GZIP) ... forums.oracle.comHello, from time to time I need to archive huge amounts of data (a few gigabytes) and this requires to use multi-volume archives (each having 1 GB, for example). Is this possible using Java SE (1.6)? I've been using ZipOutputStream to create ZIP archives, but it does not support multi-volume archives afaik. Or do you know of some library usable for ... |
69. GZip implementation slow forums.oracle.com |
70. Not in GZIP format forums.oracle.com |
71. Create GZIP compressed data using DeflaterInputStream? forums.oracle.comYou are right -- I added this code for testing and just used the compression level that is the default for the gzip command. The documentation makes clear that values between 0 and 9 inclusive are allowed for this parameter. However, changing this to Deflater.DEFAULT_COMPRESSION did not change anything. What I really would like to know are two things: 1) is ... |