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[Geoserver] Java Considerations ๋ถ€๋ถ„ ๋ฒˆ์—ญ

์˜ฌใ„น1๋ธŒ 2019. 1. 2. 14:06
๋ฐ˜์‘ํ˜•

https://docs.geoserver.org/2.11.4/user/production/java.html#use-supported-jre ๋ถ€๋ถ„ ๋ฒˆ์—ญ (Open JDK ๊ด€๋ จ)

(์•ผ๋งค ๋ฒˆ์—ญ์ด๋‹ˆ ์ฐธ๊ณ  ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค. ์ˆ˜์ •์ด ํ•„์š”ํ•  ๊ฒฝ์šฐ ๋Œ“๊ธ€ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค :-)


*๊ณ ๋ คํ•ด์•ผํ•  ์  : Java (Java Consideration)


#์ง€์›ํ•˜๋Š” JRE๋ฅผ ์‚ฌ์šฉํ•˜๋ผ (Use supported JRE)

Geoserver์˜ ์†๋„๋Š” Java Runtime Environment (JRE)์˜ ์„ ํƒ์— ํฌ๊ฒŒ ๋‹ฌ๋ ค ์žˆ์Šต๋‹ˆ๋‹ค. Geoserver์˜ ์ตœ์‹  ๋ฒ„์ „์€ Oracle JRE ๋ฐ OpenJDK์—์„œ ๋ชจ๋‘ ํ…Œ์ŠคํŠธ๊ฐ€ ์ง„ํ–‰๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ํ…Œ์ŠคํŠธ ๋œ ๋ฒ„์ „ ์ด์™ธ์˜ ๋‹ค๋ฅธ ๊ตฌํ˜„์ฒด๋“ค์€ ์•„๋งˆ๋„ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ž‘๋™ํ•  ์ˆ˜ ์žˆ์œผ๋‚˜, ์ผ๋ฐ˜์ ์œผ๋กœ ๊ถŒ์žฅํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.


ํ…Œ์ŠคํŠธ ํ˜„ํ™ฉ :

- Java 8 : Geoserver 2.9.x ๋ฒ„์ „ ์ด์ƒ (OpenJDK, Oracle JRE ํ…Œ์ŠคํŠธ๋จ)

- Java 7 : Geoserver 2.6.x ~ Geoserver 2.8.0 (OpenJDK, Oracle JRE ํ…Œ์ŠคํŠธ๋จ)

- Java 6 : Geoserver 2.3.x ~ Geoserver 2.5.x (Oracle JRE ํ…Œ์ŠคํŠธ๋จ)

- Java 5 : Geoserver 2.2.x ์ด์ „ (Sun JRE ํ…Œ์ŠคํŠธ๋จ)


์ง€์›ํ•˜์ง€ ์•Š์Œ :

- Java 9 : ์„œ๋น„์Šค ์ œ๊ณต ์ธํ„ฐํŽ˜์ด์Šค ํ”Œ๋Ÿฌ๊ทธ์ธ ์‹œ์Šคํ…œ๊ณผ ํ˜ธํ™˜๋˜์ง€ ์•Š์Œ


์ตœ๊ณ ์˜ ์„ฑ๋Šฅ์„ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ ์šฐ๋ฆฌ๋Š” Oracle JRE 8 (JRE 1.8์œผ๋กœ๋„ ์•Œ๋ ค์ ธ ์žˆ์Œ) ์˜ ์‚ฌ์šฉ์„ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.


Geoserver 2.0๋ถ€ํ„ฐ, Geoserver๋ฅผ ์‹คํ–‰ํ•˜๋Š”๋ฐ์— ์žˆ์–ด Java Runtion Environment (JRE)๋งŒ ์žˆ์œผ๋ฉด ์ถฉ๋ถ„ํ•˜๋ฉฐ, 

GeoServer์—๋Š” ๋” ์ด์ƒ Java Development Kit (JDK)๊ฐ€ ํ•„์š”ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.


#์ •์ฑ… ํŒŒ์ผ์„ ์„ค์น˜ํ•˜๋ผ (Installing Unlimited Strength Jurisdiction Policy Files)

์ด๋Ÿฌํ•œ ์ •์ฑ… ํŒŒ์ผ์€ ๋ฌด์ œํ•œ ์•”ํ˜ธํ™”์— ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, Java๋Š” ํ‚ค ๊ธธ์ด๊ฐ€ 256 ๋น„ํŠธ์ธ AES๋ฅผ ์ง€์›ํ•˜์ง€ ์•Š์œผ๋ฏ€๋กœ ์ •์ฑ… ํŒŒ์ผ์„ ์„ค์น˜ํ•˜๋ฉด ์ด๋Ÿฌํ•œ ์ œํ•œ ์‚ฌํ•ญ์ด ์ œ๊ฑฐ๋ฉ๋‹ˆ๋‹ค.


##Open JDK

OpenJDK๋Š” Open Source์ด๋ฏ€๋กœ, ์ •์ฑ… ํŒŒ์ผ์ด ์ด๋ฏธ ์„ค์น˜๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.


##Oracle Java

๊ฐ€๋Šฅํ•œ ์ •์ฑ… ํŒŒ์ผ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

- Java 8 JCE Policy jar (https://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html)

- Java 7 JCE Policy jar (https://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html)

- Java 6 JCE Policy jar (https://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html)


์ด ๋‹ค์šด๋กœ๋“œ ํŒŒ์ผ์—๋Š” 2๊ฐœ์˜ ํŒŒ์ผ์ด ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค : local_policy.jar, US_export_policy.jar. ๋‘ ํŒŒ์ผ์˜ ๊ธฐ๋ณธ ๋ฒ„์ „์€ JRE_HOME/lib/security์— ์ €์žฅ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹ค์šด๋กœ๋“œ ๋ฐ›์€ ํŒŒ์ผ์„ ๊ธฐ๋ณธ ๋ฒ„์ „ ํŒŒ์ผ๊ณผ ๊ต์ฒดํ•˜์‹ญ์‹œ์˜ค.


### ์ œํ•œ ์—†๋Š” Key ์‚ฌ์šฉ์ด ๊ฐ€๋Šฅํ•œ์ง€ ํ…Œ์ŠคํŠธํ•˜๋Š” ๋ฐฉ๋ฒ• (Test if unlimited key length is available)

GeoServer๋ฅผ ์‹œ์ž‘ํ•˜๊ฑฐ๋‚˜ ์žฌ์‹œ์ž‘ํ•œ ํ›„, ๊ด€๋ฆฌ์ž๋กœ ๋กœ๊ทธ์ธํ•˜์‹ญ์‹œ์˜ค. ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ฃผ์„์ด ๋‹ฌ๋ฆฐ ๊ฒฝ๊ณ ๊ฐ€ ์‚ฌ๋ผ์ ธ์•ผํ•ฉ๋‹ˆ๋‹ค :

No strong cryptography available, installation of the unrestricted policy jar files is recommended


๋˜ํ•œ, GeoServer ๋กœ๊ทธ ํŒŒ์ผ์— ํ•ด๋‹น ๋ผ์ธ์ด ํฌํ•จ๋˜์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค :

Strong cryptography is available.


Note: Java runtime์˜ ์—…๋ฐ์ดํŠธ ์ฃผ๊ธฐ๋งˆ๋‹ค ๋Œ€์ฒด๊ฐ€ ์ด๋ฃจ์–ด์ ธ์•ผ ํ•ฉ๋‹ˆ๋‹ค.

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